TY  - BOOK
AU  - Seibert,Joseph C.
TI  - Marketing research: selected readings 
T2  - Penguin modern management readings
SN  - 0140801251
U1  - 658.83 21
PY  - 1972///].
CY  - [Harmondsworth]: 
PB  - Penguin, 
KW  - Marketing research
N1  - Includes bibliographies and index
ER  -