Dyfyniad APA

Ladoo, R. B., & Myers, W. M. (1951). Nonmetallic minerals (2nd ed.). McGraw-Hill.

Dyfyniad Arddull Chicago

Ladoo, Raymond Bardeen, and William Marsh Myers. Nonmetallic Minerals. 2nd ed. New York: McGraw-Hill, 1951.

Dyfyniad MLA

Ladoo, Raymond Bardeen, and William Marsh Myers. Nonmetallic Minerals. 2nd ed. McGraw-Hill, 1951.

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