Don Leet,L, & Judson, S. (1969). Physical geology (3rd ed.). Prentice hall.
シカゴスタイル引用形Don Leet,L, , Sheldon Judson. Physical Geology. 3rd ed. New delhi: Prentice hall, 1969.
MLA引用形式Don Leet,L, , Sheldon Judson. Physical Geology. 3rd ed. Prentice hall, 1969.
警告: この引用は必ずしも正確ではありません.