Gaya APA
Covey ,Stephen C. (1997).
The 7 Habits of Highly Effective People .
Jakarta:
Binarupa Aksara.
Gaya Chicago
Covey ,Stephen C.
The 7 Habits of Highly Effective People.
Jakarta:
Binarupa Aksara,
1997.
Non-fiction.
Gaya MLA
Covey ,Stephen C.
The 7 Habits of Highly Effective People.
Jakarta:
Binarupa Aksara,
1997.
Non-fiction.
Gaya Turabian
Covey ,Stephen C.
The 7 Habits of Highly Effective People.
Jakarta:
Binarupa Aksara,
1997.
Non-fiction.