Gaya APA
Pratley, P., Prasetio, G.
(1997).
The essence of business ethics Etika bisnis
(
1997)
.
:
Yogyakarta : Andi.,.
Gaya MLA
Pratley, Peter., Prasetio, Gunawan.
"The essence of business ethics Etika bisnis".
1997
:
Yogyakarta : Andi.,,
1997.
Text.