Dyfyniad APA

Gill, R. (2015). Chemical fundamentals of geology and environmental geoscience (Third edition.). John Wiley & Sons, Inc..

Dyfyniad Arddull Chicago

Gill, Robin. Chemical Fundamentals of Geology and Environmental Geoscience. Third edition. Chichester, West Sussex: John Wiley & Sons, Inc., 2015.

Dyfyniad MLA

Gill, Robin. Chemical Fundamentals of Geology and Environmental Geoscience. Third edition. John Wiley & Sons, Inc., 2015.

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