APA-čujuhus (7. p.)
Blum, E. J. (2009). W.E.B. Du Bois, American prophet. University of Pennsylvania Press.
Chicago-čujuhus (17. p.)
Blum, Edward J. W.E.B. Du Bois, American Prophet. Philadelphia: University of Pennsylvania Press, 2009.
MLA-čujuhus (9. p.)
Blum, Edward J. W.E.B. Du Bois, American Prophet. University of Pennsylvania Press, 2009.
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