TY  - BOOK
AU  - Cowan, D. S
AU  - Jones, R. W
TI  - Advertising in the 21st. century: a model of advertising agency development during the next fifty years 
AV  - HF 5821 C68
PY  - 9168///
CY  - London
PB  - Hutchinson
KW  - Publicidad
ER  -