King, C. L. (1917). The world's food. American Academy of Political and Social Science.
Citace podle Chicago (17th ed.)King, Clyde Lyndon. The World's Food. Philadelphia: American Academy of Political and Social Science, 1917.
Citace podle MLA (9th ed.)King, Clyde Lyndon. The World's Food. American Academy of Political and Social Science, 1917.
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