TY  - BOOK
AU  - Beckwith,Harry
TI  - Selling the invisible: a field guide to modern marketing 
SN  - 0446520942
AV  - HD9980.5 ..B425 1997 .B425 1997
U1  - 658.8 20
PY  - 1997///
CY  - New York
PB  - Warner Books
ER  -