Dyfyniad APA

Monroe, J. S. (. S. (2007). Physical geology: Exploring the Earth. Belmont, CA: Thomson Brooks/Cole.

Dyfyniad Arddull Chicago

Monroe, James S. (James Stewart). Physical Geology: Exploring the Earth. Belmont, CA: Thomson Brooks/Cole, 2007.

Dyfyniad MLA

Monroe, James S. (James Stewart). Physical Geology: Exploring the Earth. Belmont, CA: Thomson Brooks/Cole, 2007.

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