1. Abratt, R. and Cowan, D. (1999), “Client‐agency perspectives of information needs for media planning”, Journal of Advertising Research, Vol. 39 No. 6, pp. 37‐52.
2. Bartels, R. (1976), The History of Marketing Thought, Grid, Inc., Columbus, OH.
3. Beard, F.K. (1996), “Marketing client role ambiguity as a source of dissatisfaction in client‐ad agency relationships”, Journal of Advertising Research, September/October, pp. 9‐20.
4. Beard, F.K. (1997), “IMC use and client‐ad agency relationships”, Journal of Marketing Communications, Vol. 3 No. 4, pp. 217‐30.
5. Beard, F.K. (1999), “Client role ambiguity and satisfaction in client‐ad agency relationships”, Journal of Advertising Research, Vol. 39 No. 2, pp. 69‐78.