Gaya APA
SKILL WITH PEOPLE. (2001).
Jakarta:
PT Gramedia Pustaka Utama.
Gaya Chicago
SKILL WITH PEOPLE.
.
Jakarta:
PT Gramedia Pustaka Utama,
2001.
Text.
Gaya MLA
SKILL WITH PEOPLE.
.
Jakarta:
PT Gramedia Pustaka Utama,
2001.
Text.
Gaya Turabian
SKILL WITH PEOPLE.
Jakarta:
PT Gramedia Pustaka Utama,
2001.
Print.