APA aipamena

Ericson, R. E. (1990). The Soviet Union, 1979-1990. ICS Press.

Chicago Style aipamena

Ericson, Richard Eric. The Soviet Union, 1979-1990. San Francisco, Calif.: ICS Press, 1990.

MLA aipamena

Ericson, Richard Eric. The Soviet Union, 1979-1990. ICS Press, 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.