Langley, L. D. (2010). America and the Americas: The United States in the western hemisphere (2nd ed.). University of Georgia Press.
Citace podle Chicago (17th ed.)Langley, Lester D. America and the Americas: The United States in the Western Hemisphere. 2nd ed. Athens: University of Georgia Press, 2010.
Citace podle MLA (9th ed.)Langley, Lester D. America and the Americas: The United States in the Western Hemisphere. 2nd ed. University of Georgia Press, 2010.
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