Bucher, K., & Frey, M. (1994). Petrogenesis of metamorphic rocks (6th ed., complete revision of Winkler's textbook.). Springer-Verlag.
Dyfyniad Arddull ChicagoBucher, Kurt, and Martin Frey. Petrogenesis of Metamorphic Rocks. 6th ed., complete revision of Winkler's textbook. Berlin, New York: Springer-Verlag, 1994.
Dyfyniad MLABucher, Kurt, and Martin Frey. Petrogenesis of Metamorphic Rocks. 6th ed., complete revision of Winkler's textbook. Springer-Verlag, 1994.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.