Abrahamse, W., Steg, L., Vlek, C., & Rothengatter, T. (2005). A review of intervention studies aimed at household energy conservation. Journal of Environmental Psychology, 25(3), 273-291.

Foddy, M, & Smithson, M. (1999). Choice of transportation mode: Factors influencing drivers' willingness to reduce personal car use and support car regulations . In Garvill, J. (Ed.). Resolving social dilemmas: Dynamic, structural, and intergroup aspects. (pp. 263-279).

Brandon, G. & Lewis, A. (1999). Reducing household energy consumption: A qualitative and quantitative field study. Journal of Environmental Psychology, 19, 1, 75-85.