Plummer, C. (1985). Introduction to physical geology. Macmillan.
Chicagoスタイル(17版)引用形式Plummer, Charles. Introduction to Physical Geology. New York: Macmillan, 1985.
MLA(9版)引用形式Plummer, Charles. Introduction to Physical Geology. Macmillan, 1985.
警告: この引用は必ずしも正確ではありません.