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