Knaus, William J. Do it now! : break the procrastination habit / William J. Knaus. - Rev. ed. - New York : J. Wiley, c1998. - xv, 240 p. : ill. ; 23 cm. Includes index. ISBN: 0471173991 (pbk. : alk. paper) LCCN: 97015790 Dewey Class. No.: 155.232 / K67