THORNBURY, W. D. (1958). Principles of geomorphology. John Wiley and Sons.
芝加哥风格引文THORNBURY, William D. Principles of Geomorphology. London: John Wiley and Sons, 1958.
MLA引文THORNBURY, William D. Principles of Geomorphology. John Wiley and Sons, 1958.
警告：这些引文格式不一定是100％准确.