Essentials of marketing research /
Del I. Hawkins, Donald S. Tull.
- New York : Toronto : New York : Macmillan Pub. Co. ; Maxwell Macmillan Canada ; Maxwell Macmillan International, c1994.
- xiii, 558, I-18 p. : ill. ; 26 cm.
Portions of this book are taken from : Marketing research / Donald S. Tull, Del I. Hawkins. 6th ed. c1993.