TY  - BOOK
AU  - Hawkins Del I
AU  -  Tull Donald S
TI  - Essentials of marketing research
SN  - 0023518316
U1  - X:51b4, N4 
PY  - 1994///
CY  - New York
PB  - Macmillan         
KW  - Marketing Research
N1  - Appendix: p 548-558
ER  -