Hudson, Laurel A. , and Julie L. Ozanne (1988). "Alternative Ways of Seeking Knowledge in Consumer Research."Journal of Consumer Behavior, 14 (March): 508-521.
2.
Hunt, Shelby D. (1991). Modern Marketing Theory: Critical Issues in the Philosophy of Marketing Science. Cincinnati, OH: South-Western.
3.
Juster, Norton (1961). The Phantom Tollbooth. New York: Random House.
4.
Lincoln, Yvonna S. , and Egon G. Guba (1985). Naturalist Inquiry. Newbury Park, CA: Sage Publications.
5.
Lundberg, George A. (1933). "Is Sociology Too Scientific?"Sociologus, 9 (Spring): 298-322.
6.
Lundberg, George A. (1964). Foundations of Sociology. New York: David MacKay.
