Okey, R. (1986). Eastern European 1740-1985: Feudalism to communism (2nd ed.). Routledge.
Chicago-čujuhus (17. p.)Okey, Robin. Eastern European 1740-1985: Feudalism to Communism. 2nd ed. London: Routledge, 1986.
MLA-čujuhus (9. p.)Okey, Robin. Eastern European 1740-1985: Feudalism to Communism. 2nd ed. Routledge, 1986.
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