Brzezinski, Z. (1967). The Soviet bloc: Unity and conflict (Rev. and enlarged ed.). Harvard University Press.
Cita Chicago Style (17a ed.)Brzezinski, Zbigniew. The Soviet Bloc: Unity and Conflict. Rev. and enlarged ed. Cambridge, EE. UU.: Harvard University Press, 1967.
Cita MLA (8a ed.)Brzezinski, Zbigniew. The Soviet Bloc: Unity and Conflict. Rev. and enlarged ed. Harvard University Press, 1967.
Precaución: Estas citas no son 100% exactas.