Gaya APA
Covey, Stephen R.. (1994).
The Seven Habits of Highly Effective People: Powerful Lessons in Porsonal Change (Cet. 1.--).
New York:
Franklin Covey.
Gaya Chicago
Covey, Stephen R..
The Seven Habits of Highly Effective People: Powerful Lessons in Porsonal Change.
Cet. 1.--
New York:
Franklin Covey,
1994.
Text.
Gaya MLA
Covey, Stephen R..
The Seven Habits of Highly Effective People: Powerful Lessons in Porsonal Change.
Cet. 1.--
New York:
Franklin Covey,
1994.
Text.
Gaya Turabian
Covey, Stephen R..
The Seven Habits of Highly Effective People: Powerful Lessons in Porsonal Change.
Cet. 1.--
New York:
Franklin Covey,
1994.
Print.