Strahler, A. N. (1969). Physical geography (3rd. ed.). Wiley Eastern.
シカゴスタイル引用形Strahler, Arthur N. Physical Geography. 3rd. ed. New Delhi: Wiley Eastern, 1969.
MLA引用形式Strahler, Arthur N. Physical Geography. 3rd. ed. Wiley Eastern, 1969.
警告: この引用は必ずしも正確ではありません.