APA Style
Pratley, P., Prasetio, G.
(1997).
The Essence of Business Ethics: Etika Bisnis
.
Yogyakarta:
Andi.
MLA Style
Pratley, Peter., Prasetio, Gunawan.
"The Essence of Business Ethics: Etika Bisnis".
Yogyakarta:
Andi,
1997.
Text.