Trevelyan, G. M. (1935). ohneTitel. Oldenbourg.
Cita Chicago (17th ed.)Trevelyan, George Macaulay. OhneTitel. München [u.a.]: Oldenbourg, 1935.
Cita MLA (8th ed.)Trevelyan, George Macaulay. OhneTitel. Oldenbourg, 1935.
Atenció: Aquestes cites poden no estar 100% correctes.