APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.