Bertens, K. (1997). Etika. Gramedia Pustaka utama.
Chicago Style (17th ed.) CitationBertens, K. Etika. Gramedia Pustaka utama, 1997.
MLA (8th ed.) CitationBertens, K. Etika. Gramedia Pustaka utama, 1997.
Warning: These citations may not always be 100% accurate.