Katzev, R. D. & Pardini, A. U. The comparative effectiveness of reward and commitment approaches in motivating community recycling. Vol. 17. 1987-1988. 93-113.

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.

Bachman, W. , & Katzev, R. (1982). The effects of non-contingent free bus tickets and personal commitment on urban bus ridership. Transportation Research, 16A, 2, 103-108.

Hornik, J., Cherian, J., Madansky, M., & Narayana, C. (1995). Determinants of recycling behavior: A synthesis of research results. The Journal of Socio-Economics, 24, 1, 105-127.

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.

Heberlein, T. A., & Warriner, G. K. (1983). The influence of price and attitude on shifting residential electricity consumption from on- to off-peak periods. Journal of Economic Psychology, 4, 1-2, 107-130.

De Young, R. (1993). Changing behavior and making it stick: The conceptualization and management of conservation behavior. Environment and Behavior, 25, 4, 485-505.

Boyce, T. E., & Geller, E. S. (2001). Encouraging college students to support pro-environment behavior: Effects of direct versus indirect rewards. Environment & Behavior, 33(1), 107-125.

Cooper, C. (2007). Successfully changing individual travel behavior: Applying community-based social marketing to travel choice. Transportation Research Record, (2021), pp. 88-99.

Kennedy, A. (2010). Using Community-Based Social Marketing Techniques to Enhance Environmental Regulation. Sustainability, 2(4), 1138-1160