The habits of Highly Effective People The 7 habits of Highly Effective People/ Powerful Lessons in Personal Change English Covey,Stephen R. - 24th ed. - New York: SIMON & SCHUSTER, 1989. - xxx,391p.: 23 cm. Powerful lessons in Personal change ISBN: 9781746740058 Subjects--Index Terms: The 7 Habits of Highly Effective People Dewey Class. No.: 158 / COV