Bennett, J. G. (1948). Crisis in human affairs. London: Hodder & Stoughton.
Cita Chicago (17th ed.)Bennett, John G. Crisis in Human Affairs. London: Hodder & Stoughton, 1948.
Cita MLA (8th ed.)Bennett, John G. Crisis in Human Affairs. London: Hodder & Stoughton, 1948.
Atenció: Aquestes cites poden no estar 100% correctes.