MACKENZIE, J. S. (1929). A manual of ethics (6thed.). University Tutorial Press.
Chicago-čujuhus (17. p.)MACKENZIE, John S. A Manual of Ethics. 6thed. London: University Tutorial Press, 1929.
MLA-čujuhus (9. p.)MACKENZIE, John S. A Manual of Ethics. 6thed. University Tutorial Press, 1929.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.