Covey, Stephen R. The seven habits of highly effective people : restoring the character ethic / 7 habits of highy effective people Stephen R. Covey. - New York : Simon and Schuster, c1989. - 340 p. : ill. ; 25 cm. ISBN: 0671663984 Subjects--Topical Terms: Success--Psychological aspects.Character. LC Class. No.: BF637.S8 / C68 1989 Dewey Class. No.: 158