1. Beik, L. L. and Smith, S. M. 1979. “Geograpic Segmentation: A Fund Raising Example.”Proceedings. American Marketing Association. 485–88.
2. Commission of Private Philanthropy and Public Needs. 1977.Research Papers: Volume I, Trends, and Current Magnitudes. U.S. Government Printing, Office, 160–64.
3. Michman, R. D., Gable, M. and Gross, W. 1972.Market Segmentation: A Selected and Annotated Bibliography. American Marketing Association.
4. Miller, S. J. 1974. “Market Segmentation and Forecasting for a Charitable Health Organization.” A paper presented for the Southern Marketing Association, Atlanta, Georgia.
5. Mindak, W. A. and Bybee, H. N. 1971. “Marketing's Application to Fund Raising.”Journal of Marketing 33 (July) 13–18.