Dyfyniad APA

Monroe, J. S. (2009). The changing earth: Exploring geology and evolution. Pacific Grove, Calif: Brooks/Cole.

Dyfyniad Arddull Chicago

Monroe, James S. The Changing Earth: Exploring Geology and Evolution. Pacific Grove, Calif: Brooks/Cole, 2009.

Dyfyniad MLA

Monroe, James S. The Changing Earth: Exploring Geology and Evolution. Pacific Grove, Calif: Brooks/Cole, 2009.

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