Dyfyniad APA

Mason, R. (1990). Petrology of the metamorphic rocks (2nd ed.). Unwin Hyman.

Dyfyniad Arddull Chicago

Mason, Roger. Petrology of the Metamorphic Rocks. 2nd ed. Boston: Unwin Hyman, 1990.

Dyfyniad MLA

Mason, Roger. Petrology of the Metamorphic Rocks. 2nd ed. Unwin Hyman, 1990.

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