Simmons, D., & Widmar, R. (1990). Motivations and barriers to recycling: Toward a strategy for public education. Journal of Environmental Education, 22, 1, 13-18.

Stern, P. C., & Gardner, G. T. (1981). Habits, hardware, and energy conservation. American Psychologist, 36, 4, 426-428.

Oskamp, S., Harrington, M. J., Edwards, T. C., Sherwood, D. L., Okuda, S. M., & Swanson, D. C. (1991). Factors influencing household recycling behavior. Environment and Behavior, 23, 4, 494-519.

Reid, D. H., Luyben, P. D., Rawers, R. J. & Bailey, J. S. (1976). Newspaper recycling behavior: the effects of prompting and proximity of containers. Environment and Behavior, 8, 471-481.

Pardini, A. U. & Katzev, R. D. (1983-1984). The effects of strength of commitment on newspaper recycling. Journal of Environmental Systems, 13, 245-254.

Oskamp, S. (1983). Psychology's role in the conserving society. Population and Environment Behavioral and Social Issues, 6, 4, 255-293.

Oskamp, S., Williams, R., Unipan, J., Steers, N., Mainieri, T., & Kurland, G. (1994). Psychological factors affecting paper recycling by businesses. Environment and Behavior, 26, 4, 477-503.

McCaul, K. D. & Kopp, J. T. (1982). Effects of goal setting and commitment on increasing metal recycling. Journal of Applied Psychology, 67, 3, 377-379.

McCarty, J. A., & Shrum, L. J. (1994). The recycling of solid wastes: Personal values, value orientations, and attitudes about recycling as antecedents of recycling behavior. Special issue: Linking theory to policy. Journal of Business Research, 30, 1, 53-62.

McGuire, R. H. (1984). Recycling: Great expectations and garbage outcomes. Special Issue: Household refuse analysis--theory, method, and applications in social science. American Behavioral Scientist, 28, 1, 93-114.