APA (7th ed.) Zitazioa

Bergesen, A. (1983). Crises in the world system. Sage.

Chicago Style (17th ed.) Zitazioa

Bergesen, Albert. Crises in the World System. Beverly Hills: Sage, 1983.

MLA (9th ed.) Zitazioa

Bergesen, Albert. Crises in the World System. Sage, 1983.