Athearn, R. G. (1963). The american heritage new illustrated history of the united states: A world power. Dell Publishing Company.
Citace podle Chicago (17th ed.)Athearn, Robert G. The American Heritage New Illustrated History of the United States: A World Power. New York: Dell Publishing Company, 1963.
Citace podle MLA (9th ed.)Athearn, Robert G. The American Heritage New Illustrated History of the United States: A World Power. Dell Publishing Company, 1963.
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