Sanders, J. E. (1976). Physical geology. Harper's College Press.
Chicagoスタイル(17版)引用形式Sanders, John Essington. Physical Geology. Harper's College Press, 1976.
MLA(9版)引用形式Sanders, John Essington. Physical Geology. Harper's College Press, 1976.
警告: この引用は必ずしも正確ではありません.