Gaya APA
Cover, S, R.
(2013).
The 7 Habits of Highly Effective People
(
Ed. Rev)
.
Tanggerang Selatan:
Binarupa Asksara.
Gaya MLA
Cover, Stephen, R.
"The 7 Habits of Highly Effective People".
Ed. Rev
Tanggerang Selatan:
Binarupa Asksara,
2013.
Text.