Covey, Stephen R. The 7 Habits of Highly Effective People : restoring the character ethic / Stephen R. Covey. - New York : Free Press, 2004 - , 372 p. : ill. 21.5 cm. Includes index. ISBN: 9780743269513;0743269519 National Library of Medicine Call No.: BF 637 / .C68 2004