Berry, L. (1984). The role of financial incentives in utility-sponsored residential conservation programs: A review of customer surveys.. Evaluation and Program Planning, 7, 2, 131-141.

Levitt, L., & Leventhal, G. (1986). Litter reduction: How effective is the New York State Bottle Bill?. Environment and Behavior, 18, 4, 467-479.

Oskamp, S. (1995). Resource conservation and recycling: Behavior and policy. Journal of Social Issues, 51, 4, 157-177.

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.

Shrum, L. J., Lowrey, T. M., & McCarty, J. A. (1994). Recycling as a marketing problem: A framework for strategy development. Special Issue: Psychology, marketing, and recycling. Psychology and Marketing, 11, 4, 393-416.

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.

Moore, S., Murphy, M., & Watson, R. (1994). A longitudinal study of domestic water conservation behavior. Population and Environment: A Journal of Interdisciplinary Studies, 16, 2, 175-189.

Nelson, S. H. (1981). Energy savings attributable to switching from master metering to individual metering of electricity. Argonne National Laboratory, Energy and Environmental Systems Division.

Kelly, M. (1992). Market correction: Economic incentives for sustainable development. Ottawa: National Round Table on the Environment and the Economy.