APA (7th ed.) Zitazioa
Russian Readers for beginners. Foreign Languages Publ.House.
Chicago Style (17th ed.) Zitazioa
Russian Readers for Beginners. Moscow: Foreign Languages Publ.House.
MLA (9th ed.) Zitazioa
Russian Readers for Beginners. Foreign Languages Publ.House.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.