Não informado. (1987). Eastern European Politics and Societies. University of California Press.
Chicagoスタイル(17版)引用形式Não informado. Eastern European Politics and Societies. Berkeley, Calif: University of California Press, 1987.
MLA(8版)引用形式Não informado. Eastern European Politics and Societies. University of California Press, 1987.
警告: この引用は必ずしも正確ではありません.