White, C. L. (1964). World economic geography. Wadsworth Pub. Co..
Tohutoru Kātū Chicago (17th ed.)White, C. Langdon. World Economic Geography. [n.p.]: Wadsworth Pub. Co., 1964.
Tohutoro MLA (9th ed.)White, C. Langdon. World Economic Geography. Wadsworth Pub. Co., 1964.
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