Dyfyniad APA

Scarth, A. (1994). Volcanoes: An introduction (1st U.S. ed.). Texas A&M University Press.

Dyfyniad Arddull Chicago

Scarth, Alwyn. Volcanoes: An Introduction. 1st U.S. ed. College Station: Texas A&M University Press, 1994.

Dyfyniad MLA

Scarth, Alwyn. Volcanoes: An Introduction. 1st U.S. ed. Texas A&M University Press, 1994.

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