Gaya APA
Covey, S.
(2001).
The 7 HABITS of Highly Effective TEENS
(
cet 1)
.
Jakarta:
Binarupa Aksara.
Gaya MLA
Covey, Sean.
"The 7 HABITS of Highly Effective TEENS".
cet 1
Jakarta:
Binarupa Aksara,
2001.
Text.