Ringer, Robert. The 10 habits of highly successful people : powerful strategies for personal triumph/ Robert J Ringer. - Petaling Jaya : Advantage Quest, 1995. - 237 p. : ill. ; 23 cm. Fakulti Keusahawanan dan Perniagaan. Includes index. ISBN: 9789839214000 9839214004 Subjects--Topical Terms: Businesspeople--Attitudes.Success in business.