APA Style
Pratley, P.
(1997).
The Essence of Business Ethics = Etika Bisnis
(
1)
.
Yogyakarta:
Penerbit ANDI.
MLA Style
Pratley, Peter.
"The Essence of Business Ethics = Etika Bisnis".
1
Yogyakarta:
Penerbit ANDI,
1997.
Text.