Dyfyniad APA

Miller, T. G. (2004). Environmental science, working with the earth.

Dyfyniad Arddull Chicago

Miller, Tyler G. Environmental Science, Working with the Earth. Australia, Thomson brooks, 2004.

Dyfyniad MLA

Miller, Tyler G. Environmental Science, Working with the Earth. 2004.

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