Dyfyniad APA

 DiPippo,Ronald. (2008).  Geothermal power plants: Principles , applications, case studies and environmental impact.  Elsevier.

Dyfyniad Arddull Chicago

 DiPippo,Ronald.  Geothermal Power Plants: Principles , Applications, Case Studies and Environmental Impact.  Elsevier, 2008.

Dyfyniad MLA

 DiPippo,Ronald.  Geothermal Power Plants: Principles , Applications, Case Studies and Environmental Impact.  Elsevier, 2008.

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