Gaya APA
The Business School For People Who Like Helping People. (2001).
Jakarta:
PT Gramedia Pustaka Utama.
Gaya Chicago
The Business School For People Who Like Helping People.
.
Jakarta:
PT Gramedia Pustaka Utama,
2001.
Text.
Gaya MLA
The Business School For People Who Like Helping People.
.
Jakarta:
PT Gramedia Pustaka Utama,
2001.
Text.
Gaya Turabian
The Business School For People Who Like Helping People.
Jakarta:
PT Gramedia Pustaka Utama,
2001.
Print.