COVEY, S. R. (1997). The 7 Habits Of Highly Effective People (7 Kebiasaan Manusia Yang Sangat Efektif)/stephen R. Covey. Binarupa Aksara.
Chicago Style (17th ed.) CitationCOVEY, Stephen R. The 7 Habits Of Highly Effective People (7 Kebiasaan Manusia Yang Sangat Efektif)/stephen R. Covey. Binarupa Aksara, 1997.
MLA (8th ed.) CitationCOVEY, Stephen R. The 7 Habits Of Highly Effective People (7 Kebiasaan Manusia Yang Sangat Efektif)/stephen R. Covey. Binarupa Aksara, 1997.
Warning: These citations may not always be 100% accurate.