Abrahamsson, N. & Hyltenstam, K. (2009). Age of Onset and Nativelikeness in a Second
Language: Listener Perception versus Linguistic Scrutiny. Language Learning. A
Journal of Research in Language Studies, 59: 2, 249–306.
Aguado, K.; Grotjahn, R. & Schlak, T. (2005). Erwerbsalter und Sprachlernerfolg.
Theoretische und methodologische Grundlagen eines empirischen
Forschungsprojekts. Zeitschrift für Fremdsprachenforschung, 16: 2, 275–293.
Birdsong, D., & Molis, M. (2001). On the evidence for maturational constraints in
second-language acquisition. Journal of Memory and Language, 44, 235–249.
Bley-Vroman, R. (1989). What is the logical problem of foreign language learning? In S.
Gass & J. Schachter (Eds.), Linguistic perspectives on second language acquisition
(pp. 41–68). Cambridge: Cambridge University Press.
DeKeyser, Robert M. (2013). Age Effects in Second Language Learning: Stepping
Stones Toward Better Learning. Language Learning 63, 52-67.
Dimroth, Ch., Klein, W. (2003). Der ungesteuerte Zweitspracherwerb Erwachsener: Ein
Überblick über den Forschungsstand. In Utz Maas & Ulrich Mehlem (Eds.),
Qualitätsanforderungen für die Sprachförderung im Rahmen der Integration von
Zuwanderern (127-161). Osnabrück: Institut für Migrationsforschung und
Interkulturelle Studien.
Flege, J. E. (1984). The detection of French accent by American listeners. Journal of the
Acoustical Society of America, 76, 692–707.
Flege, J. E., Yeni-Komshian, G. H., & Liu, S. (1999). Age constraints on secondlanguage
acquisition. Journal of Memory and Language, 41, 78–104.
Lenneberg, E. (1967). Biological foundations of language. New York: Wiley.
Long, M. H. (1990). Maturational constraints on language development. Studies in
Second Language Acquisition, 12, 251–285.
Montrul, S., & Slabakova, R. (2003). Competence similarities between native and nearnative
speakers. An investigation of the preterite-imperfect contrast in Spanish.
Studies in Second Language Acquisition, 25, 351-398.
Moyer, A. (2004). Age, Accent and Experience in Second Language Acquisition. An
Integrated Approach to Critical Period Inquiry. Clevedon: Multilingual Matters.
364 پژوهش های زبانشناختی در زبان های خارجی، دورة 9، شمارة 2، تابستان 1398
Munoz, C. (2008). Age- related differences in foreign language learning. Revisiting the
empirical evidence. IRAL 46, 197-220.
Penfield, W. and Lamar R. (1959). Speech and Brain Mechanisms. Princeton, NJ:
Prince- ton University Press.
Saito, K. (2015). The Role of Acquisition in Late Second Language Oral Proficiency
Attainment. Studies in Second Language Acquisition, 1-31.
Scovel, T. (2000). A Critical Review of The Critical Period Research. Annual Review of
Applied Linguistics, 20, 213-223.
Selinker, L. (1972). Interlanguage. IRAL, 10, 209–231.
Singleton, D. (2005). The Critical Period Hypothesis: A Coat of Many Colours.
International Review of Applied Linguistics, 43, 269–285.
URL 1: Science Magazine (2005), So much more to know…
[http://www.sciencemag.org/content/309/5731/78.2.full; 14.01.2018
)