Churchill, Gilbert A. Basic marketing research / Gilbert A. Churchill Jr., Tom J. Brown, Tracy A. Suter. - 7th ed. - Australia ; Mason, OH : South-Western/Cengage Learning, c2010. - xxvi, 594 p. : ill. ; 29 cm. Fakulti Keusahawanan dan Perniagaan ISBN: 1439041393 9781439041390 Subjects--Topical Terms: Marketing research.