Dyfyniad APA

Miller, G. T. (2004). Environmental science: Working with the earth. Victoria, Australia: Brooks Cole / Thomson Learning.

Dyfyniad Arddull Chicago

Miller, George Tyler. Environmental Science: Working With the Earth. Victoria, Australia: Brooks Cole / Thomson Learning, 2004.

Dyfyniad MLA

Miller, George Tyler. Environmental Science: Working With the Earth. Victoria, Australia: Brooks Cole / Thomson Learning, 2004.

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