Cialdini, R. (2003). Crafting normative messages to protect the environment. Current Directions in Psychological Science, 12(4), 105-109. doi:10.1111/1467-8721.01242.

Schultz, P. W. (1999). Changing behavior with normative feedback interventions: A field experiment on curbside recycling. Basic and Applied Social Psychology, 21, 1, 25-36.

Eldridge, L., Lemasters, S. & Szypot, B. (1978). A performance feedback intervention to reduce waste: Performance data and participant responses. Journal of Organizational Behavior Management, 1, 258-267.

Winett, R. A., Hatcher, J. W., Fort, T. R., Leckliter, I. N., Love, S. Q., Riley, A. W., & Fishback, J. F. (1982). The effects of videotape modeling and daily feedback on residential electricity conservation, home temperature and humidity, perceived comfort, and clothing worn: Winter and summer. Journal of Applied Behavior Analysis, 15, 3, 381-402.

Larson, M.E., Houlihan, D, & Goernert, P.N. (1995). Brief report: Effects of informational feedback on aluminum can recycling. Behavioral Interventions, 10, 2, 111-117.

DeLeon, I. G., & Fuqua, R. W. (1995). The effects of public commitment and group feedback on curbside recycling. Special Issue: Litter control and recycling. Environment and Behavior, 27, 2, 233-250.

Schultz, P. W., Oskamp, S., & Mainieri, T. (1995). Who recycles and when? A review of personal and situational factors. Journal of Enviornmental Psychology, 15, 2, 105-121.

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

Geller, E. S., Farris, J. C. & Post, D. S. (1973). Prompting a consumer behavior for pollution control. Journal of Applied Behavior Analysis, 6, 3, 367-376.

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.