TY  - BOOK
AU  - Tull,Donald S.
AU  - Hawkins,Del I.
TI  - Marketing research: Measurement & method ; a text with cases 
SN  - 0-02-421932-0
PY  - 1993///
CY  - Upper Saddle River, N.J.
PB  - Prentice-Hall
KW  - Marketing research
N1  - Includes index
ER  -