Cullingford, R. (1980). Timescales in geomorphology. John Wiley and Sons.
Chicagoスタイル(17版)引用形式Cullingford, R.A. Timescales in Geomorphology. New York: John Wiley and Sons, 1980.
MLA(9版)引用形式Cullingford, R.A. Timescales in Geomorphology. John Wiley and Sons, 1980.
警告: この引用は必ずしも正確ではありません.