Gaya APA
Covey, Stephen R.;. ().
The seven habits of highly effective people : restoring the character ethic .
:
Free Press, 1989.
Gaya Chicago
Covey, Stephen R.;.
The seven habits of highly effective people : restoring the character ethic.
:
Free Press, 1989,
.
Text.
Gaya MLA
Covey, Stephen R.;.
The seven habits of highly effective people : restoring the character ethic.
:
Free Press, 1989,
.
Text.
Gaya Turabian
Covey, Stephen R.;.
The seven habits of highly effective people : restoring the character ethic.
:
Free Press, 1989,
.
Print.