Dyfyniad APA

Deer, W. A. (1992). Introduction to the rock-forming minerals: 2nd ed (2nd ed.). Prentice-Hall of India.

Dyfyniad Arddull Chicago

Deer, W. A. Introduction to the Rock-forming Minerals: 2nd Ed. 2nd ed. England: Prentice-Hall of India, 1992.

Dyfyniad MLA

Deer, W. A. Introduction to the Rock-forming Minerals: 2nd Ed. 2nd ed. Prentice-Hall of India, 1992.

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