Cita APA (7th ed.)

HAMMER, D. P. (1990). The USSR: The politics of oligarchy. Westview.

Cita Chicago (17th ed.)

HAMMER, Darrell P. The USSR: The Politics of Oligarchy. Boulder: Westview, 1990.

Cita MLA (9th ed.)

HAMMER, Darrell P. The USSR: The Politics of Oligarchy. Westview, 1990.