Dyfyniad APA

Clark, J. O. E., & Stiegeler, S. (2003). Dictionary of earth science. Universities Press (India) Pvt Ltd.

Dyfyniad Arddull Chicago

Clark, John O E., and Stella Stiegeler. Dictionary of Earth Science. Hyderabad: Universities Press (India) Pvt Ltd, 2003.

Dyfyniad MLA

Clark, John O E., and Stella Stiegeler. Dictionary of Earth Science. Universities Press (India) Pvt Ltd, 2003.

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