Marketing research : in a digital information environment /
Joseph F. Hair, Jr., Robert P. Bush, David J. Ortinau.
- 4th ed.
- Boston : McGraw-Hill Irwin, 2009.
- xxiv, 690 p. : col. ill. ; 26 cm.
Subtitle on 3rd ed., 2006 varies.
Includes bibliographical references (p. 651-661) and indexes.