Warntz, W. (1964). Geography now and then : some notes on: The history of academic geography in the. American Geographical society.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Warntz, William. Geography Now and Then : Some Notes on: The History of Academic Geography in the. New York: American Geographical society, 1964.
MLA -ийн эшлэл (9 дэх хэвлэлт)Warntz, William. Geography Now and Then : Some Notes on: The History of Academic Geography in the. American Geographical society, 1964.
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