Pearl, R. M. (1955). How to know the minerals and rocks. McGraw-Hill.
Chicagoスタイル(17版)引用形式Pearl, Richard Maxwell. How to Know the Minerals and Rocks. New York: McGraw-Hill, 1955.
MLA(8版)引用形式Pearl, Richard Maxwell. How to Know the Minerals and Rocks. McGraw-Hill, 1955.
警告: この引用は必ずしも正確ではありません.