Ajzen, I. (1985). "From intentions to actions: A theory of planned behavior." In J. Kuhi & J. Beckmann (Eds.), "Action -- control: From cognition to behavior" (pp. 11 -- 39). Heidelberg: Springer.
Bagozzi, R.P. And L. Kyu-Hyun (2002). "Multiple routes for social influence: The role of compliance, internalization, and social identity." Social Psychology Quarterly 65(3): 226.
Bouma, G.D. (2002). The research process. 4th Ed. Melbourne: Oxford University Press.
Brian W. Kelly. (2004). "Doing Less, Spending More. (Innovative activation, blurred lines of sponsorship, solid back-end research and measurement helped the sponsorship industry)." Promo. Taken from: www.highbeam.com.