TY  - BOOK
AU  - KATZ Helen
AU  -  VANDEN BERGH Bruce G.
TI  - Advertising principles :  Choice challenge change   
SN  - 0844229903
U1  - X:513, N9 
PY  - 1999///
CY  - Chicago
PB  - N T C Publishing       
KW  - Advertising
ER  -