APA Style
The Seven Habits of Highly Effective People. (1997).
:
.
Chicago Style
The Seven Habits of Highly Effective People.
1.
:
,
1997.
.
MLA Style
The Seven Habits of Highly Effective People.
1.
:
,
1997.
.
Turabian Style
The Seven Habits of Highly Effective People.
:
,
1997.
.