J.G Pounds Norman, & L.Cooper Edward. (1961). World Geography. New York: South-Western College Publishing.
Trích dẫn kiểu ChicagoJ.G Pounds Norman, và L.Cooper Edward. World Geography. New York: South-Western College Publishing, 1961.
MLA CitationJ.G Pounds Norman, và L.Cooper Edward. World Geography. New York: South-Western College Publishing, 1961.
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