Gaya APA
OVERTON. (2002).
IMPROVE YOUR MANAGEMENT SKILSS .
Jakarta:
Elex Media Komputindo.
Gaya Chicago
OVERTON.
IMPROVE YOUR MANAGEMENT SKILSS.
Jakarta:
Elex Media Komputindo,
2002.
Text.
Gaya MLA
OVERTON.
IMPROVE YOUR MANAGEMENT SKILSS.
Jakarta:
Elex Media Komputindo,
2002.
Text.
Gaya Turabian
OVERTON.
IMPROVE YOUR MANAGEMENT SKILSS.
Jakarta:
Elex Media Komputindo,
2002.
Print.