Gaya APA
Covey, S, R., Saputra, L.
(2010).
The 7 Habits of Highly Effective People
.
Jakarta:
Bina Rupa Aksara.
Gaya MLA
Covey, Stephen, R.., Saputra, Lyndon.
"The 7 Habits of Highly Effective People".
Jakarta:
Bina Rupa Aksara,
2010.
Text.