Churchill, W. (1937). Great contemporaries (Sixt impression.). London: Thornton Butterworth.
Cita Chicago (17th ed.)Churchill, Winston. Great Contemporaries. Sixt impression. London: Thornton Butterworth, 1937.
Cita MLA (8th ed.)Churchill, Winston. Great Contemporaries. Sixt impression. London: Thornton Butterworth, 1937.
Atenció: Aquestes cites poden no estar 100% correctes.