Gaya APA
Davidson, Jeff. (2009).
The 60 Second Organizer .
YOGYAKARTA:
KANISUS.
Gaya Chicago
Davidson, Jeff.
The 60 Second Organizer.
YOGYAKARTA:
KANISUS,
2009.
Text.
Gaya MLA
Davidson, Jeff.
The 60 Second Organizer.
YOGYAKARTA:
KANISUS,
2009.
Text.
Gaya Turabian
Davidson, Jeff.
The 60 Second Organizer.
YOGYAKARTA:
KANISUS,
2009.
Print.