Heywood, L. M. (2015). African Americans in U.S. foreign policy: From the era of Frederick Douglass to the age of Obama. University of Illinois Press.
Citace podle Chicago (17th ed.)Heywood, Linda M. African Americans in U.S. Foreign Policy: From the Era of Frederick Douglass to the Age of Obama. Urbana, Illinois: University of Illinois Press, 2015.
Citace podle MLA (9th ed.)Heywood, Linda M. African Americans in U.S. Foreign Policy: From the Era of Frederick Douglass to the Age of Obama. University of Illinois Press, 2015.
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