Allen, J. L. (2008). Student atlas of world geography. Dubuque IA: McGraw-Hill.
Trích dẫn kiểu ChicagoAllen, John Logan. Student Atlas of World Geography. Dubuque IA: McGraw-Hill, 2008.
Deismireacht MLAAllen, John Logan. Student Atlas of World Geography. Dubuque IA: McGraw-Hill, 2008.
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