Gaya APA
Rachels, J.
(2011).
Filsafat moral / James Rachels
(
cet. 4)
.
Yogyakarta:
Kanisius.
Gaya MLA
Rachels, James.
"Filsafat moral / James Rachels".
cet. 4
Yogyakarta:
Kanisius,
2011.
Text.