Gaya APA
Etika/K. Bertens. (2002).
Jakarta:
Gramedia Pustaka.
Gaya Chicago
Etika/K. Bertens.
.
Jakarta:
Gramedia Pustaka,
2002.
.
Gaya MLA
Etika/K. Bertens.
.
Jakarta:
Gramedia Pustaka,
2002.
.
Gaya Turabian
Etika/K. Bertens.
Jakarta:
Gramedia Pustaka,
2002.
.