(2001). The American Geographical Society's focus on geography. Published by the Society in cooperation with the Dept. of Geography, University of Kentucky.
Cytowanie według stylu Chicago (wyd. 17)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.
Cytowanie według stylu MLA (wyd. 9)The American Geographical Society's Focus on Geography. Published by the Society in cooperation with the Dept. of Geography, University of Kentucky, 2001.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..