Covey, S. R. (2004). The 7 habits of highly effective people: Powerfull lessons in personal change. London: Pocket Books.
Chicago Style CitationCovey, Stephen R. The 7 Habits of Highly Effective People: Powerfull Lessons in Personal Change. London: Pocket Books, 2004.
MLA CitationCovey, Stephen R. The 7 Habits of Highly Effective People: Powerfull Lessons in Personal Change. London: Pocket Books, 2004.
Warning: These citations may not always be 100% accurate.