Gaya APA
Covery, S., Saputra, A.
(2001).
The 7 Habits of Highly Effective Teens
.
Jakarta:
Binarupa Aksara.
Gaya MLA
Covery, Sean., Saputra, Arvin.
"The 7 Habits of Highly Effective Teens".
Jakarta:
Binarupa Aksara,
2001.
Book.