Aaker, David A. Marketing research / David A. Aaker, V. Kumar, George S. Day - 9th ed. - Hoboken, NJ : John Wiley & Sons, 2007 - xvii, 774 p. : ill. ; 27 cm. Includes bibliographical references and index ISBN: 0470050764 (hbk.) RM125.11 Subjects--Topical Terms: Marketing research