6Nora J. Rifon, Sejung Marina Choi, Carrie S. Trimble and Hairong Li, 2004, Congruence effects in sponsorship,Journal of advertising, Vol.33, No.1, Spring, pp29-42.
7Quester and Thompson, 2001, Advertising and promotion leverage on the arts sponsorship effectiveness, Journal of advertising research, January and February, pp33-47.