Gaya APA
Covey, Stephen R.;. ().
The seven habits of highly effective people (7 Kebiasaan Manusia yang Sangat Efektif) .
:
Binarupa Aksara, 1997.
Gaya Chicago
Covey, Stephen R.;.
The seven habits of highly effective people (7 Kebiasaan Manusia yang Sangat Efektif).
:
Binarupa Aksara, 1997,
.
Text.
Gaya MLA
Covey, Stephen R.;.
The seven habits of highly effective people (7 Kebiasaan Manusia yang Sangat Efektif).
:
Binarupa Aksara, 1997,
.
Text.
Gaya Turabian
Covey, Stephen R.;.
The seven habits of highly effective people (7 Kebiasaan Manusia yang Sangat Efektif).
:
Binarupa Aksara, 1997,
.
Print.