APA (7th ed.) Zitazioa
Wheeler, J. H. (1969). Regional geography of the world. Holt, Rinehart and Winston.
Chicago Style (17th ed.) Zitazioa
Wheeler, Jesse H. Regional Geography of the World. New York: Holt, Rinehart and Winston, 1969.
MLA (9th ed.) Zitazioa
Wheeler, Jesse H. Regional Geography of the World. Holt, Rinehart and Winston, 1969.
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