Dyfyniad APA

Setterberg, F., & Shavelson, L. (1993). Toxic nation: The fight to save our communities from chemical contamination. J. Wiley.

Dyfyniad Arddull Chicago

Setterberg, Fred, and Lonny Shavelson. Toxic Nation: The Fight to Save Our Communities from Chemical Contamination. New York: J. Wiley, 1993.

Dyfyniad MLA

Setterberg, Fred, and Lonny Shavelson. Toxic Nation: The Fight to Save Our Communities from Chemical Contamination. J. Wiley, 1993.

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