Dyfyniad APA

Tolgyesy. J. (1993). Chemistry amd Biology of Water, Air and Soil: Environmental Aspects. Elsevier.

Dyfyniad Arddull Chicago

Tolgyesy. J. Chemistry Amd Biology of Water, Air and Soil: Environmental Aspects. Amsterdam: Elsevier, 1993.

Dyfyniad MLA

Tolgyesy. J. Chemistry Amd Biology of Water, Air and Soil: Environmental Aspects. Elsevier, 1993.

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