APA (7th ed.) Zitazioa

Okey, R. (1986). Eastern European 1740-1985: Feudalism to communism (2nd ed.). Routledge.

Chicago Style (17th ed.) Zitazioa

Okey, Robin. Eastern European 1740-1985: Feudalism to Communism. 2nd ed. London: Routledge, 1986.

MLA (9th ed.) Zitazioa

Okey, Robin. Eastern European 1740-1985: Feudalism to Communism. 2nd ed. Routledge, 1986.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.