Vasilenko,E. Yegorova,A. and Lamm,E. (1988). Russian verb aspects (2nd ed.). Russian language publishers.
Chicago Style aipamenaVasilenko,E. Yegorova,A. and Lamm,E. Russian Verb Aspects. 2nd ed. Moscow: Russian language publishers, 1988.
MLA aipamenaVasilenko,E. Yegorova,A. and Lamm,E. Russian Verb Aspects. 2nd ed. Russian language publishers, 1988.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.