TY  - BOOK
AU  - 
AU  - Katz,Helen E.
TI  - Advertising principles: choice, challenge, change 
SN  - 0844229903
AV  - HF5823 .V28 1999
PY  - 1999///
CY  - Lincolnwood, Ill.
PB  - NTC Business Books
KW  - Advertising
ER  -