APA Style
Royan, Frans M.. (2004).
Sales Force .
Yogyakarta :
Andi.
Chicago Style
Royan, Frans M..
Sales Force.
Yogyakarta :
Andi,
2004.
Text.
MLA Style
Royan, Frans M..
Sales Force.
Yogyakarta :
Andi,
2004.
Text.
Turabian Style
Royan, Frans M..
Sales Force.
Yogyakarta :
Andi,
2004.
Print.