Tohutoro APA (7th ed.)
Hirsh, S. A., & Wiggins, K. T. (1989). World geography today. Holt, Rinehart and Winston.
Tohutoru Kātū Chicago (17th ed.)
Hirsh, Stephanie A., me Karen Tindel Wiggins. World Geography Today. Austin, Tex.: Holt, Rinehart and Winston, 1989.
Tohutoro MLA (9th ed.)
Hirsh, Stephanie A., me Karen Tindel Wiggins. World Geography Today. Holt, Rinehart and Winston, 1989.
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