Penggayaan APA
Umar. (2000).
Business an introduction .
Jakarta:
Gramedia Pustaka Utama.
Chicago Style
Umar.
Business an introduction.
Jakarta:
Gramedia Pustaka Utama,
2000.
Text.
MLA Style
Umar.
Business an introduction.
Jakarta:
Gramedia Pustaka Utama,
2000.
Text.
Turabian Style
Umar.
Business an introduction.
Jakarta:
Gramedia Pustaka Utama,
2000.
Print.