APA Style
Covey, Stephen R.. (1989).
The Seven Habits Of Highly Effective People .
New York:
.
Chicago Style
Covey, Stephen R..
The Seven Habits Of Highly Effective People.
New York:
,
1989.
.
MLA Style
Covey, Stephen R..
The Seven Habits Of Highly Effective People.
New York:
,
1989.
.
Turabian Style
Covey, Stephen R..
The Seven Habits Of Highly Effective People.
New York:
,
1989.
.