Zikmund, William G. Exploring marketing research / William G. Zikmund. - 6th ed. - Fort Worth : Dryden Press, 1997. - xxvii, 739 p. : col. ill. ; 27 cm. Includes bibliographical references and index. ISBN: 003018763X Hadiah LCCN: 95-083875 Subjects--Topical Terms: Marketing research.