Dyfyniad APA

Wyllie, P. J. (1971). Dynamic earth: :Text book in geoscience. John Wiley & sons, Inc.

Dyfyniad Arddull Chicago

Wyllie, Peter. J. Dynamic Earth: :Text Book in Geoscience. New York: John Wiley & sons, Inc, 1971.

Dyfyniad MLA

Wyllie, Peter. J. Dynamic Earth: :Text Book in Geoscience. John Wiley & sons, Inc, 1971.

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