Zikmund, William G. Essentials of marketing research / William G. Zikmund. - 2nd ed. - Mason, Ohio : Thomson, 2002. - p. cm. Includes index. ISBN: 0324182570 LCCN: 2002069599 Subjects--Topical Terms: Marketing research. LC Class. No.: HF5415.2 / .Z537 2002 Dewey Class. No.: 658.8/3