APA Style
Siahaan, Janpie. (2009).
Managing competition .
Jakarta:
Salemba Empat.
Chicago Style
Siahaan, Janpie.
Managing competition.
Jakarta:
Salemba Empat,
2009.
Text.
MLA Style
Siahaan, Janpie.
Managing competition.
Jakarta:
Salemba Empat,
2009.
Text.
Turabian Style
Siahaan, Janpie.
Managing competition.
Jakarta:
Salemba Empat,
2009.
Print.