Cita APA (7th ed.)

Edited by pravda, a. (1990). Perestroika : Soviet domestic and foreign: Policies. SAGE.

Cita Chicago (17th ed.)

Edited by pravda, alex. Perestroika : Soviet Domestic and Foreign: Policies. London: SAGE, 1990.

Cita MLA (9th ed.)

Edited by pravda, alex. Perestroika : Soviet Domestic and Foreign: Policies. SAGE, 1990.