Toynbee, A. J. (1935). A study of history (2nd ed.). Oxford Univ. Pr.
Cita Chicago (17th ed.)Toynbee, Arnold J. A Study of History. 2nd ed. London: Oxford Univ. Pr, 1935.
Cita MLA (9th ed.)Toynbee, Arnold J. A Study of History. 2nd ed. Oxford Univ. Pr, 1935.
Atenció: Aquestes cites poden no estar 100% correctes.