Weenig, M. W., & Midden, C. J. (1991). Communication network influences on information diffusion and persuasion. Journal of Personality and Social Psychology, 61, 5, 734-742.

Geller, E. S. (1995). Actively caring for the environment: An integration of behaviorism and humanism. Special Issue: Litter control and recycling. Environment and Behavior, 27, 2, 184-195.

Howenstine, E. (1993). Market segementation for recycling. Environment and Behavior, 25, 1, 86-102.

Lloyd, K. E. (1994). Do as I say, not as I do. Special Section: Attitudes and behavior in social psychology. Behavior Analyst, 17, 1, 131-139.

Thompson, S. C. G., & Barton, M. A. (1994). Ecocentric and anthropocentric attitudes toward the environment. Journal of Environmental Psychology, 14, 2, 149-157.

Kantola, S. J., Syme, G. J., & Nesdale, A. R. (1983). The effects of appraised severity and efficacy in promoting water conservation: An informational analysis. Journal of Applied Social Psychology, 13, 2, 164-182.

Katzev, R., Blake, G., & Messer, B. (1993). Determinants of participation in multi-family recycling programs. Journal of Applied Social Psychology, 23, 5, 374-385.

Gill, J. D., Crosby, L. A., & Taylor, J. R. (1986). Ecological concern, attitudes, and social norms in voting behavior. Public Opinion Quarterly, 50, 4, 537-554.

Guagnano, G. A., Stern, P. C., & Dietz, T. (1995). Influences on attitude-behavior relationships: A natural experiment with curbside recycling. Environment and Behavior, 27, 5, 699-718.

Gutteling, J. M. (1993). A field experiment in communicating a new risk: Effects of the source and a message containing explicit conclusions. Basic and Applied Social Psychology, 14, 3, 295-316.