Παραπομπή APA

Zafar Imam. (1991). Soviet foreign policy: 1917-1990.

Παραπομπή Chicago Style

Zafar Imam. Soviet Foreign Policy: 1917-1990. New Delhi, Sterling, 1991.

Παραπομπή MLA

Zafar Imam. Soviet Foreign Policy: 1917-1990. 1991.