APA(7版)引用形式
Levin, H. L. (1990). Contemporary physical geology (3rd ed.). Saunders College Pub..
Chicagoスタイル(17版)引用形式
Levin, Harold L. Contemporary Physical Geology. 3rd ed. Philadelphia, Pa.: Saunders College Pub., 1990.
MLA(9版)引用形式
Levin, Harold L. Contemporary Physical Geology. 3rd ed. Saunders College Pub., 1990.
警告: この引用は必ずしも正確ではありません.