Wooldridge, S. (1966). spirit and purpose of geography. Hutchinston University.
シカゴスタイル引用形Wooldridge, S.W. Spirit and Purpose of Geography. London: Hutchinston University, 1966.
MLA引用形式Wooldridge, S.W. Spirit and Purpose of Geography. Hutchinston University, 1966.
警告: この引用は必ずしも正確ではありません.