Covey, S. R. (1989). The 7 habits of highly effective people: Powerful lessons in personal change. New york: A fireside Book,.
Chicago Style CitationCovey, Stephen R. The 7 Habits of Highly Effective People: Powerful Lessons in Personal Change. New york: A fireside Book,, 1989.
MLA CitationCovey, Stephen R. The 7 Habits of Highly Effective People: Powerful Lessons in Personal Change. New york: A fireside Book,, 1989.
Warning: These citations may not always be 100% accurate.