APA aipamena

Spiegel, S. L. (1991). At issue: Politics in the world arena (6th ed.). St. Martin's Press.

Chicago Style aipamena

Spiegel, Steven L. At Issue: Politics in the World Arena. 6th ed. New York: St. Martin's Press, 1991.

MLA aipamena

Spiegel, Steven L. At Issue: Politics in the World Arena. 6th ed. St. Martin's Press, 1991.