Birot, P. (1966). General Physical Geography. John Wiley & Sons, Inc..
Tohutoru Kātū Chicago (17th ed.)Birot, Pierre. General Physical Geography. New York: John Wiley & Sons, Inc., 1966.
Tohutoro MLA (9th ed.)Birot, Pierre. General Physical Geography. John Wiley & Sons, Inc., 1966.
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