Covey, S. R. 7 Habits of Highly effective People (7 kebiasaan Manusia Yang Sangat efektif). Binarupa Aksara.
Citación estilo ChicagoCovey, Stephen R. 7 Habits of Highly Effective People (7 Kebiasaan Manusia Yang Sangat Efektif). Binarupa Aksara.
Cita MLACovey, Stephen R. 7 Habits of Highly Effective People (7 Kebiasaan Manusia Yang Sangat Efektif). Binarupa Aksara.
Warning: These citations may not always be 100% accurate.