Aaker, David A. Marketing research / David A. Aaker, V. Kumar, George S. Day. - 5th ed. - New York ; Chichester : Wiley, 1995 - xvi, 783 p. : ill. (some col.) ; 27 cm. Includes bibliographical references and index. ISBN: 0-471-55254-2 Subjects--Topical Terms: Marketing research.