Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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