APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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