TY  - BOOK
AU  - Ries,Al
AU  - Trout,Jack
TI  - The 22 immutable laws of marketing: violate them at your own risk 
SN  - 0887306667
AV  - HF5415 R54369
PY  - 1993///
CY  - New York
PB  - Harper Business
KW  - Marketing
ER  -