Dyfyniad APA

Wetstone, G. R. (1983). Acid rain in Europe and North America: National responses to an international problem. The Environmental Law Institute.

Dyfyniad Arddull Chicago

Wetstone, Gregory Rosencranz. Acid Rain in Europe and North America: National Responses to an International Problem. Washington DC: The Environmental Law Institute, 1983.

Dyfyniad MLA

Wetstone, Gregory Rosencranz. Acid Rain in Europe and North America: National Responses to an International Problem. The Environmental Law Institute, 1983.

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