Du Bois. The Problem of the Color Line at the Turn of the Twentieth Century. Fordham University Press.
Citace podle Chicago (17th ed.)Du Bois. The Problem of the Color Line at the Turn of the Twentieth Century. Fordham University Press.
Citace podle MLA (8th ed.)Du Bois. The Problem of the Color Line at the Turn of the Twentieth Century. Fordham University Press.
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