TY - GEN AU - Purvis Scott C AU - Burton,Philip Ward TI - Which ad pulled best?: 50 case histories on how to write and design ads that work SN - 0844235148 : AV - HF5823 U1 - 659.1 20 PY - 1993/// CY - Lincolnwood, Ill., USA PB - NTC Business BOOKs KW - Advertising KW - Advertising copy KW - Evaluation ER -