Tohutoro APA (7th ed.)
Hoover, C. B., & Ratchford, B. Economic Resources and Policies of the South. Macmillan.
Tohutoru Kātū Chicago (17th ed.)
Hoover, Calvin B., me B.U Ratchford. Economic Resources and Policies of the South. Nueva York, EUA: Macmillan.
Tohutoro MLA (9th ed.)
Hoover, Calvin B., me B.U Ratchford. Economic Resources and Policies of the South. Macmillan.
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