1. ABBYY Lingvo x5 (Electronic Dictionary).
2. Boldyrev, N. N. (2002). Kategoriia podlezhashchego s prototipicheskoĭ tochki zreniia [A Prototypical View of the Subject] Vestnyk Tambovskogo universiteta. Seriia Gumanitarnye nauki, 3(27), 71-84.
3. Bondarko, А. V. (1992) Sub’’ektno-predikatno-ob’’ektnye situatsii [Subject-Predicate-Object Situations]. In: Bondarko A. V., Bulygina T. V., Maslov Yu. S., Pavlov V. M., Seliverstova О. N., Sheliakin M. A. (Eds), Teoriia funktcional’noĭ grammatiki. Sub’’ektnost’. Ob’’ektnost’. Kommunikativnaia perspektiva vyskazyvaniia. Opredelennost’/neopredelennost’ [Theory of Functional Grammar. Communicative Sentence Perspective. Definitness / Indefinitness]. (pp. 29-71). Sankt-Peterburg: Nauka.
4. Fillmore, Ch. J. (1968). The Case for Case. In: Bach E., Harms R. T. (Eds.), Universals in Linguistic Theory (pp. 1-88). New York: Holt, Rinehart & Winston.
5. Kasevich, V. B. (1992) Sub‘‘ektnost i ob‘‘ektnost: problemy semantiki [Subjectness and Objectness: A Problem of Semantics]. In: Bondarko A. V., Bulygina T. V., Maslov Yu. S., Pavlov V. M., Seliverstova О. N., Sheliakin M. A. (Eds.), Teoriia funktsional’noi grammatiki. Sub‘‘ektnost. Ob‘‘ektnost. Kommunikativnaia perspektiva vyskazyvaniia. Opredelennost‘/neopredelennost‘ [Theory of Functional Grammar. Communicative Sentence Perspective. Definitness / Indefinitness]. (pp. 5-29). Saint-Petersburg: Nauka.