Gendrich, J. G (1982). A student-based anti-litter program for elementary schools. Education and Treatment of Children, 5, 4, 321-335.

Casey, L. & Lloyd, M. (1977). Cost and effectiveness of litter removal procedures in an amusement park. Environment and Behavior, 9, 4, 535-546.

Baltes, M. M. & Hayward, S. C. (1976). Application and evaluation of strategies to reduce pollution: Behavioral control of littering in a football stadium. Journal of Applied Psychology, 61, 4, 501-506.

McNees, M. P. (1979). McDonald's litter hunt: A community litter control system for youth. Environment and Behavior, 11, 1, 131-138.

Cope, J. G., Huffman, K. T., Allred, L. J. & Grossnickle, W. F. (1993). Behavioral strategies to reduce cigarette litter. Journal of Social Behavior and Personality, 8, 4, 607-619.

Wagstaff, M. C. & Wilson, B. E. (1988). The evaluation of litter behavior modification in a river environment. Journal of Environmental Education, 20, 1, 39-44.

Dixon, R. S., Knott, T., Rowsell, H. & Sheldon, L. (1992). Prompts and posted feedback: In search of an effective method of litter control. Behaviour Change, 9, 1, 2-7.

Chapman, C. & Risley, T. R. (1974). Anti-litter procedures in an urban high-density area. Journal of Applied Behavior Analysis, 7, 3, 377-383.

Kohlenberg, R. & Phillips, T. (1973). Reinforcement and rate of litter depositing. Journal of Applied Behavior Analysis, 6, 3, 391-396.

Geller, E. S. (1973). Prompting anti-litter behaviors. Proceedings of the Annual Convention of the American Psychological Association, 907-908.