Tull, Donald S. Marketing research : measurement and method / Donald S. Tull, Del I. Hawkins. - 6th ed. - New York : Maxwell Macmillan International, c1993. - xviii, 863, [45] p. : ill. ; 26 cm. Includes bibliographical references and indexes. ISBN: 0024219320 LCCN: 92014611 Subjects--Topical Terms: Marketing research.Marketing research--Case studies. LC Class. No.: HF 5415.2 / T84 1993 Dewey Class. No.: 658.8/3