Gaya APA
WALKER, DOUGLAS. (2007).
AHA PERFORMANCE MEMBANGUN .
JAKARTA:
PPM.
Gaya Chicago
WALKER, DOUGLAS.
AHA PERFORMANCE MEMBANGUN.
JAKARTA:
PPM,
2007.
Text.
Gaya MLA
WALKER, DOUGLAS.
AHA PERFORMANCE MEMBANGUN.
JAKARTA:
PPM,
2007.
Text.
Gaya Turabian
WALKER, DOUGLAS.
AHA PERFORMANCE MEMBANGUN.
JAKARTA:
PPM,
2007.
Print.