Cita APA (7a ed.)

Bircher, R., & Waller, S. (2015). The crisis of communism: The USSR and the Soviet Empire, 1953-2000 (A Level and AS, Component 2.). Oxford University Press.

Cita Chicago Style (17a ed.)

Bircher, Rob, y Sally Waller. The Crisis of Communism: The USSR and the Soviet Empire, 1953-2000. A Level and AS, Component 2. Oxford: Oxford University Press, 2015.

Cita MLA (9a ed.)

Bircher, Rob, y Sally Waller. The Crisis of Communism: The USSR and the Soviet Empire, 1953-2000. A Level and AS, Component 2. Oxford University Press, 2015.