1. Bettman, J. R. 1979.An Information Processing Theory of Consumer Choice. Reading, Massachusetts: Addison-Wesley Publishing Company.
2. Bloch, P. H., D. L. Sherrell, and N. M. Ridgway. 1986. “Consumer Search: An Extended Framework”,Journal of Consumer Research. 13 (June): 119–126.
3. Bruner, G. C. 1983.Problem Recognition in the Homeostatic Process of Consumer Decision Making: Its Definition, Measurement and Use. Unpublished doctoral dissertation, North Texas State University.
4. Bruner, G. C. 1985. “Recent Contributions to the Theory of Problem Recognition”.American Marketing Association Educators’ Proceedings, 11–15.
5. Engel, J. R. and R. D. Blackwell. 1982.Consumer Behavior. Hinsdale, Illinois. The Dryden Press.