Cita APA (7th ed.)
Terraine, J. (2009). Business in great waters: The U-boat wars 1916-1945. Pen & Sword Maritime.
Cita Chicago (17th ed.)
Terraine, John. Business in Great Waters: The U-boat Wars 1916-1945. South Yorkshire, England: Pen & Sword Maritime, 2009.
Cita MLA (9th ed.)
Terraine, John. Business in Great Waters: The U-boat Wars 1916-1945. Pen & Sword Maritime, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.