Gaya APA

Ramdohr, P. (1980). The Ore Minerals and Their Intergrowths, 2nd Edition: Volume 21 . New York: Pergamon Press.

Gaya MLA

Ramdohr, Paul. "The Ore Minerals and Their Intergrowths, 2nd Edition: Volume 21". New York: Pergamon Press, 1980. Text.