Thormbury, W. D. (1969). Principles of geomorphology (2nd ed.). Wiley Eastern.
シカゴスタイル引用形Thormbury, William D. Principles of Geomorphology. 2nd ed. New York: Wiley Eastern, 1969.
MLA引用形式Thormbury, William D. Principles of Geomorphology. 2nd ed. Wiley Eastern, 1969.
警告: この引用は必ずしも正確ではありません.