APA Style
Covey, Stephen R. (1992).
The 7 Habits Of Highly Effective People Principle Centered Leadership (1 Fireside Ed).
:
.
Chicago Style
Covey, Stephen R.
The 7 Habits Of Highly Effective People Principle Centered Leadership.
1 Fireside Ed
:
,
1992.
Text.
MLA Style
Covey, Stephen R.
The 7 Habits Of Highly Effective People Principle Centered Leadership.
1 Fireside Ed
:
,
1992.
Text.
Turabian Style
Covey, Stephen R.
The 7 Habits Of Highly Effective People Principle Centered Leadership.
1 Fireside Ed
:
,
1992.
Print.