APA

Brzezinski Z. K., . (1960). The Soviet bloc, unity and conflict. Cambridge: Harvard University Press.

Chicago

Brzezinski Zbigniew K, . 1960. The Soviet bloc, unity and conflict. Cambridge: Harvard University Press.

Harvard

Brzezinski Z. K., . (1960). The Soviet bloc, unity and conflict. Cambridge: Harvard University Press.

MLA

Brzezinski Zbigniew K, . The Soviet bloc, unity and conflict. Cambridge: Harvard University Press. 1960.