Covey, Stephen R. The 7 habits of highly effective people : powerful lessons in personal change / Seven habits of highly effective people Stephen R. Covey. - 25th anniversary edition. - xxx, 391 pages. Previous edition: New York : Free Press, 2004. ISBN: 9781471129391 9781471131820 Subjects--Topical Terms: Self-actualization (Psychology).Success--Psychological aspects. Dewey Class. No.: 158.1