2Allport, F.H. Social Psychology. Boston: Houghton Miffilin. 1924. P124-35.
3Stahlberg, D., Frey, D,, Attitudes: Structure, Measurement and Functions, in: Hewstone, M., Stroebe, W., and Stephenson, G. M. (Eds.), Introduction to Social Psychology: A European Perspective, Blackwell Publishers: Oxford and Cambridge. 1996. P224-257.
4Fishbein, M. and Ajzen, I. (1975). Belief, attitude, intention and behaviour: an introduction to theory and research. Reading, MA: Addison-Wesley.
5D.T. Gilbert, S.T. Fiske and G. Lindzey (eds) The handbook of social psychology (4th edn) New York: McGraw Hill. 1998. P323-390.
6Korte, C. Effects of individual responsibihty and group communication on help- giving in an emergency. Human Relations, 1971. P149-159.
7Hogg, M.A. and Vaughan, G.M.. Social Psychology (4th Edn. ). London: Person Education Europe, 2005. P334-379.
8Taylor, S.E., Peplau, L.A., Sears, D.O. Social Psychology (10th Edn). Upper Saddle River, NJ: Prentice Hall. 2000. P234-299.
9Staub, E. Positive social behaviour and morality: I. Social and personal influences. New York: Academic Press. 1977.
