APA (7th ed.) Zitazioa

Terraine, J. (2009). Business in great waters: The U-boat wars 1916-1945. Pen & Sword Maritime.

Chicago Style (17th ed.) Zitazioa

Terraine, John. Business in Great Waters: The U-boat Wars 1916-1945. South Yorkshire, England: Pen & Sword Maritime, 2009.

MLA (9th ed.) Zitazioa

Terraine, John. Business in Great Waters: The U-boat Wars 1916-1945. Pen & Sword Maritime, 2009.