Gaya APA
SIAHAAN, JANPIE. (2009).
MANAGING COMPETITION .
JAKARTA:
SALEMBA EMPAT.
Gaya Chicago
SIAHAAN, JANPIE.
MANAGING COMPETITION.
JAKARTA:
SALEMBA EMPAT,
2009.
Text.
Gaya MLA
SIAHAAN, JANPIE.
MANAGING COMPETITION.
JAKARTA:
SALEMBA EMPAT,
2009.
Text.
Gaya Turabian
SIAHAAN, JANPIE.
MANAGING COMPETITION.
JAKARTA:
SALEMBA EMPAT,
2009.
Print.