Clawson, D. L., & Airriess, C. A. (2007). World regional geography: A development approach (9η έκδ.). Upper Saddle River, NJ: Pearson Prentice Hall.
Chicago Style CitationClawson, David Leslie,, and Christopher A. Airriess. World Regional Geography: A Development Approach. 9η έκδ. Upper Saddle River, NJ: Pearson Prentice Hall, 2007.
MLA CitationClawson, David Leslie,, and Christopher A. Airriess. World Regional Geography: A Development Approach. 9η έκδ. Upper Saddle River, NJ: Pearson Prentice Hall, 2007.
Warning: These citations may not always be 100% accurate.