APA (7. basım) Alıntı

Singer, P. (1993). Practical ethics (Second edition.). Cambridge University Press.

Chicago Style (17. basım) Atıf

Singer, Peter. Practical Ethics. Second edition. Cambridge, New York: Cambridge University Press, 1993.

MLA (9th ed.) Atıf

Singer, Peter. Practical Ethics. Second edition. Cambridge University Press, 1993.