TY  - BOOK
AU  - Ries, Al.
TI  - The 22 immutable laws of marketing: violate them at your own risk
SN  - 978088730662
U1  - 658.8RIE 
PY  - 1993///
CY  - New York
PB  - Harper Business
KW  - Marketing
N1  - Includes index
ER  -