Penggayaan APA

RACHELS, James, RACHELS, Stuart. (2007). The elements of moral philosophy . Boston Burr Ridge: McGraw Hill.

Chicago Style

RACHELS, James, RACHELS, Stuart. The elements of moral philosophy. Boston Burr Ridge: McGraw Hill, 2007. Buku.

MLA Style

RACHELS, James, RACHELS, Stuart. The elements of moral philosophy. Boston Burr Ridge: McGraw Hill, 2007. Buku.

Turabian Style

RACHELS, James, RACHELS, Stuart. The elements of moral philosophy. Boston Burr Ridge: McGraw Hill, 2007. Buku.