Dyfyniad APA

Katzev, R. D., & Johnson, T. R. (1987). Promoting energy conservation: An analysis of behavioral research. Westview Press.

Dyfyniad Arddull Chicago

Katzev, Richard D., and Theodore R. Johnson. Promoting Energy Conservation: An Analysis of Behavioral Research. Boulder: Westview Press, 1987.

Dyfyniad MLA

Katzev, Richard D., and Theodore R. Johnson. Promoting Energy Conservation: An Analysis of Behavioral Research. Westview Press, 1987.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.