Não informado. (1987). Eastern European Politics and Societies. University of California Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Eastern European Politics and Societies. Berkeley, Calif: University of California Press, 1987.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Eastern European Politics and Societies. University of California Press, 1987.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.