1Allport, G W The Historical Background of Modern Social Psychology In G Lindzey (ed) : Handbook of Social Psychology ( Vol 1) Mass: Adison-Wesey 1954. 3-56.
2Aaker, Kumar and Day Marketing Research (Sixth ed) New York: John Wiley & Sons, Inc 1998. 272-305.
3Murphy, G L B Murphy, T M Newcomb Experimental Social Psychology: An Interpretation of Research upon the Socialization of the Individual New York : Harper and Brothers 1937. 889.
4English, H B, And A C English A Comprehensive Dictionary of Psychological and Psychoanalytical Terms: A Guide to UsageGreen: Longmans 1958.50-51.
5Krech, D, RS Crutchfield, and ELBallachey Individual in Society: A Textbook of Social Psychology New York: McGraw-Hill 1962, 177.
6Stephen P Robbins, Mary Coulter Management (Seventh edition) New York: Prentice Hall, 1999, 371-372.
