Dyfyniad APA

Siegel, F. R. (2002). Environmental geochemistry of potentially toxic metals. Springer.

Dyfyniad Arddull Chicago

Siegel, Frederic R. Environmental Geochemistry of Potentially Toxic Metals. Berlin: Springer, 2002.

Dyfyniad MLA

Siegel, Frederic R. Environmental Geochemistry of Potentially Toxic Metals. Springer, 2002.

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