Katzev, R. D., & Johnson, T. R. (1987). Promoting energy conservation: An analysis of behavioral research. Westview Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Katzev, Richard D., και Theodore R. Johnson. Promoting Energy Conservation: An Analysis of Behavioral Research. Boulder: Westview Press, 1987.
Παραπομπή σε μορφή MLA (9th εκδ.)Katzev, Richard D., και Theodore R. Johnson. Promoting Energy Conservation: An Analysis of Behavioral Research. Westview Press, 1987.