Boehm, R. G., Armstrong, D. G., & Hunkins, . F. P. (2000). Geography: The world and its people. Glencoe/McGraw Hill.
Čikaški stil citiranja (17. izdanje)Boehm, Richard G., David G. Armstrong, i Francis P. Hunkins. Geography: The World and Its People. Westerville, Ohio : New York: Glencoe/McGraw Hill, 2000.
MLA način citiranja (8. izdanje)Boehm, Richard G., et al. Geography: The World and Its People. Glencoe/McGraw Hill, 2000.
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