APA (7th ed.) Zitazioa

Petras, J. (2003). System in crisis: The dynamics of free market capitalism. Zed.

Chicago Style (17th ed.) Zitazioa

Petras, James. System in Crisis: The Dynamics of Free Market Capitalism. London: Zed, 2003.

MLA (9th ed.) Zitazioa

Petras, James. System in Crisis: The Dynamics of Free Market Capitalism. Zed, 2003.