Dyfyniad APA

Winter, J. D. (2010). An introduction to igneous and metamorphic petrology (2nd ed.). Prentice Hall.

Dyfyniad Arddull Chicago

Winter, John D. An Introduction to Igneous and Metamorphic Petrology. 2nd ed. Upper Saddle River, N.J: Prentice Hall, 2010.

Dyfyniad MLA

Winter, John D. An Introduction to Igneous and Metamorphic Petrology. 2nd ed. Prentice Hall, 2010.

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