THORNBURY, W. D. (1969). Principles of geomorphology.-- Ed.2. John Wiley and Sons.
芝加哥风格引文THORNBURY, William D. Principles of Geomorphology.-- Ed.2. New York: John Wiley and Sons, 1969.
MLA引文THORNBURY, William D. Principles of Geomorphology.-- Ed.2. John Wiley and Sons, 1969.
警告：这些引文格式不一定是100％准确.