Christopherson, R. W. (2001). Elemental geosystems (3rd ed.). Prentice Hall.
Chicagoスタイル(17版)引用形式Christopherson, Robert W. Elemental Geosystems. 3rd ed. Upper Saddle River, NJ: Prentice Hall, 2001.
MLA(9版)引用形式Christopherson, Robert W. Elemental Geosystems. 3rd ed. Prentice Hall, 2001.
警告: この引用は必ずしも正確ではありません.