Norman, R. (1998). The moral philosophers: An introduction to ethics. Oxford University Press.
Chicago-čujuhus (17. p.)Norman, Richard. The Moral Philosophers: An Introduction to Ethics. Oxford: Oxford University Press, 1998.
MLA-čujuhus (9. p.)Norman, Richard. The Moral Philosophers: An Introduction to Ethics. Oxford University Press, 1998.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.