(2001). The American Geographical Society's focus on geography. Published by the Society in cooperation with the Dept. of Geography, University of Kentucky.
Style de citation Chicago (17e éd.)The American Geographical Society's Focus on Geography. New York: Published by the Society in cooperation with the Dept. of Geography, University of Kentucky, 2001.
Style de citation MLA (9e éd.)The American Geographical Society's Focus on Geography. Published by the Society in cooperation with the Dept. of Geography, University of Kentucky, 2001.
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