Covey, Stephen R. The 7 habits of highly effective people : powerful lessons in personal change / Stephen R. Covey and James C Collins. - New York, NY : Simon & Schuster, c2004. - xxx, 391 p. ; 22 cm. ISBN: 9781471131820 Subjects--Topical Terms: Success -- Psychological aspects. Character. Leadership. Dewey Class. No.: 152.33 / COV