Gaya APA
Covey, S.
(S.a).
The 7 Habits Of Highly Effective Teens
.
Tangerang Selatan:
Binarupa Aksara.
Gaya MLA
Covey, Sean.
"The 7 Habits Of Highly Effective Teens".
Tangerang Selatan:
Binarupa Aksara,
S.a.
Text.