APA Style
Usmara, A.. (2003).
Ideas at work .
Yogyakarta:
Amara Books.
Chicago Style
Usmara, A..
Ideas at work.
Yogyakarta:
Amara Books,
2003.
Text.
MLA Style
Usmara, A..
Ideas at work.
Yogyakarta:
Amara Books,
2003.
Text.
Turabian Style
Usmara, A..
Ideas at work.
Yogyakarta:
Amara Books,
2003.
Print.