Bertens, K. (2003). Etika. Gramedia Pustaka Utama.
Chicago Style (17th ed.) CitationBertens, K. Etika. Gramedia Pustaka Utama, 2003.
MLA (8th ed.) CitationBertens, K. Etika. Gramedia Pustaka Utama, 2003.
Warning: These citations may not always be 100% accurate.