Churchill, Gilbert A. Marketing research : methodological foundations / Gilbert A. Churchill, Jr. - 7th ed. - Fort Worth : Dryden Press, 1999. - xxxviii, 1017 p. : ill. ; 26 cm. - The Dryden Press series in marketing . Includes bibliographical references and indexes. ISBN: 0030238161 RM293.26 LCCN: 98-071246 Subjects--Topical Terms: Marketing research.