APA (7e ed.) Bronvermelding

MACKENZIE, J. S. (1929). A manual of ethics (6thed.). University Tutorial Press.

Chicago (17e ed.) Bronvermelding

MACKENZIE, John S. A Manual of Ethics. 6thed. London: University Tutorial Press, 1929.

MLA (9e ed.) Bronvermelding

MACKENZIE, John S. A Manual of Ethics. 6thed. University Tutorial Press, 1929.