Jacobs, H. E. & Bailey, J. S. (1982-83). Evaluating participation in a residential recycling program. Journal of Environmental Systems, 12, 2, 141-152.

Huffman, K. T., Grossnickle, W. F., Cope, J. G., & Huffman, K. P. (1995). Litter reduction: A review and integration of the literature. Special Issue: Litter control and recycling. Environment and Behavior, 27, 2, 153-183.

Kempton, W., Darley, J. M., & Stern, P. C. (1992). Psychological research for the new energy problems: Strategies and opportunities. American Psychologist, 47, 10, 1213-1223.

Katzev, R. D., & Johnson, T. R. (1984). Comparing the effects of monetary incentives and foot-in-the-door strategies in promoting residential electricity conservation. Journal of Applied Social Psychology, 14, 1, 12-27.

Luyben, P. D., & Bailey, J. S. (1979). Newspaper recycling: The effects of rewards and proximity of containers. Environment and Behavior, 11, 4, 539-557.

Luyben, P. & Cummings, S. (1981-1982). Motivating beverage container recycling on a college campus. Journal of Environmental Systems, 11, 3, 235-245.

McClelland, L., & Cook, S. W. (1980). Promoting energy conservation in master-metered apartments through group financial incentives. Journal of Applied Social Psychology, 10, 1, 20-31.

Olsen, M. E. (1983). Public acceptance of consumer energy conservation strategies. Journal of Economic Psychology, 4, 1-2, 183-196.

O'Brien, T. P., & Zoumbaris, S. J. (1993). Consumption behaviors hinge on financial self-interest. American Psychologist, 48, 10, 1091-1092.

Stern, P. C., Aronson, E., Darley, J. M., Hill, D. H., Hirst, E., Kempton, W. & Wilbanks, T. J. (1985). The effectiveness of incentives for residential energy conservation. Evaluation Review, 10, 2, 147-176.