Tull, Donald S. Marketing research : measurement & method / by Tull, Donald S. ; Hawkins, Del I. - 6th ed. - New Delhi Prentice-Hall of India Private Limited 2005 - xviii, 910p. 24 cm. ISBN: 8120309618 Subjects--Topical Terms: Marketing research Dewey Class. No.: 658.83 / TUL