APA Zitierstil

COVEY, S. R. (1997). The seven habits of highly effective people. Jakarta: Binarupa Aksara.

Chicago Zitierstil

COVEY, Stephen R. The Seven Habits of Highly Effective People. Jakarta: Binarupa Aksara, 1997.

MLA Zitierstil

COVEY, Stephen R. The Seven Habits of Highly Effective People. Jakarta: Binarupa Aksara, 1997.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.