APA aipamena

Spero, J. E. (1977). The politics of international economic relations. New York: St. Martin's Press.

Chicago Style aipamena

Spero, Joan Edelman. The Politics of International Economic Relations. New York: St. Martin's Press, 1977.

MLA aipamena

Spero, Joan Edelman. The Politics of International Economic Relations. New York: St. Martin's Press, 1977.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.