Graham, G., & Zakkie, I. M. (2015). Teori-teori Etika. Nusa Media.
Chicago Style (17th ed.) CitationGraham, Gordon, and Irfan M. Zakkie. Teori-teori Etika. Nusa Media, 2015.
MLA (8th ed.) CitationGraham, Gordon, and Irfan M. Zakkie. Teori-teori Etika. Nusa Media, 2015.
Warning: These citations may not always be 100% accurate.