Boehm, R. G. (2000). Geography: The World and its people. New York: Glencoe/McGraw-Hill.
Čikaški stil citiranjaBoehm, Ricchard G. Geography: The World and Its People. New York: Glencoe/McGraw-Hill, 2000.
MLA način citiranjaBoehm, Ricchard G. Geography: The World and Its People. New York: Glencoe/McGraw-Hill, 2000.
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