LaFeber, W. (1989). The American age: United States foreign policy at home and abroad since 1750. Norton.
Citace podle Chicago (17th ed.)LaFeber, Walter. The American Age: United States Foreign Policy at Home and Abroad Since 1750. New York: Norton, 1989.
Citace podle MLA (9th ed.)LaFeber, Walter. The American Age: United States Foreign Policy at Home and Abroad Since 1750. Norton, 1989.
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