Cullingford, R. (1980). Timescales in geomorphology. John Wiley and Sons.
Chicago Style (17th ed.) CitationCullingford, R.A. Timescales in Geomorphology. New York: John Wiley and Sons, 1980.
MLA引文Cullingford, R.A. Timescales in Geomorphology. John Wiley and Sons, 1980.
警告:這些引文格式不一定是100%准確.