Gaya APA

Covey, S, R. (1997). The 7 Habits of Highly Effective People: 7 Kebiasaan Manusia yg Sangant Efektif (Ed.1). Jakarta: Binarupa Aksara.

Gaya MLA

Covey, Stephen, R.. "The 7 Habits of Highly Effective People: 7 Kebiasaan Manusia yg Sangant Efektif". Ed.1 Jakarta: Binarupa Aksara, 1997. 100_Philoshopy.