TY  - BOOK
T1  - Selling the invisible : a field guide to modern marketing
A1  - Beckwith, Harry
LA  - English
PP  - New York
PB  - Texere
YR  - 2001
ED  - 1a edición
UL  - https://colectivo.uloyola.es/Record/L222566
OP  - 247
SN  - 0446520942
KW  - Marketing
ER  -