Covey, Stephen R. The 7 habits of highly effective people : powerful lessons in personal change / The seven habits of highly effective people . Stephen R. Covey. - 25th-anniversary edition. - 391 pages : iillustrations; 22 cm Includes index. ISBN: UPM0000005970 LCCN: 00500030 Subjects--Topical Terms: CharacterSuccess--Psychological aspects. LC Class. No.: BF637.S8 / C68 1990 Dewey Class. No.: 650.13