Gaya APA
Covey, Stephen R. (2010).
The 7 Habits of Highly Effective People .
Tangerang:
Binarupa Aksara.
Gaya Chicago
Covey, Stephen R.
The 7 Habits of Highly Effective People.
Tangerang:
Binarupa Aksara,
2010.
Text.
Gaya MLA
Covey, Stephen R.
The 7 Habits of Highly Effective People.
Tangerang:
Binarupa Aksara,
2010.
Text.
Gaya Turabian
Covey, Stephen R.
The 7 Habits of Highly Effective People.
Tangerang:
Binarupa Aksara,
2010.
Print.