Ahmadi Givi, H. Dastoore tarikhie fel 2. Tehran: Nashre Ghatreh, 1380;
Akhlaghi, F. “Three Modal Verbs in Contemporary Persian”.Grammar, Journal of the Academy of Persian language and literature.3.January2008: 82-129.
Kleparski G. A., Rusinek A. “The tradition of field theory and the study of lexical semantic change”. Zeszyty naukowe uniwersytetu rzeszowskiego. Seria filologiczna, Studia anglica resoviensia. 47.2007: 188-205
Mahootian, Sh. Persian Language Grammar from a Typological Perspective. Tehran: Nashre Markaz, 1378.
Nehrych. N. “Functional semantic field of “praise” in W.Shakespeare’s discourse”. Chernivsti University. Chnu.edu.ua/res/chnu.edu.ua/period_vudannia/web13/pdf/ 2011_3.
Bondarko A.V. Functional grammar issues. Field structures. St. Petersburg: Nauka Publications, 2005.
Bondarko A.V. Theory of functional grammar. Introduction Aspect. Temporary localization. Taxis. Moscow: Knizhni Dom «LIBROKOМ» Publications, 2011;
Ozhigov S. I., Shevedova N. U. Explanatory dictionary of the Russian language. Moscow: Azbookovnik Publications, 2000;
Fiodorova I. R. The modality of possibility in modern Russian (on the material of newspapers). Kaliningrad: Kaliningrad State University, 2000;
Sheljakin M. A. Functional grammar of Russian language. Moscow: Russky Yazyk Publications, 2001;
Schur G.S. Field Theory in Linguistics. Moscow: Nauka Publications, 1974.