Gaya APA
Covey, Sephen R.. (2013).
The 7 Habits of Highly Effective People .
Tangerang Selatan:
Binarupa Aksara.
Gaya Chicago
Covey, Sephen R..
The 7 Habits of Highly Effective People.
Tangerang Selatan:
Binarupa Aksara,
2013.
Text.
Gaya MLA
Covey, Sephen R..
The 7 Habits of Highly Effective People.
Tangerang Selatan:
Binarupa Aksara,
2013.
Text.
Gaya Turabian
Covey, Sephen R..
The 7 Habits of Highly Effective People.
Tangerang Selatan:
Binarupa Aksara,
2013.
Print.