Gaya APA
NANKERVIS, ALAN. (2005).
MANAGING SERVICES (EDISI PERTAMA).
NEW YORK:
CAMBRIDGE.
Gaya Chicago
NANKERVIS, ALAN.
MANAGING SERVICES.
EDISI PERTAMA
NEW YORK:
CAMBRIDGE,
2005.
Text.
Gaya MLA
NANKERVIS, ALAN.
MANAGING SERVICES.
EDISI PERTAMA
NEW YORK:
CAMBRIDGE,
2005.
Text.
Gaya Turabian
NANKERVIS, ALAN.
MANAGING SERVICES.
EDISI PERTAMA
NEW YORK:
CAMBRIDGE,
2005.
Print.