Essentials of marketing research /
Del I. Hawkins and Donald S. Tull.
- New York : Toronto : Macmillan publishing , c1994.
- xiii, 558, I-18 p. : ill. (some col.) ; 26 cm.
Portions of this book are taken from: Marketing research / Donald S. Tull, Del I. Hawkins. 6th ed. c1993.