APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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