Kornweibel, T. (2002). Investigate everything: Federal efforts to compel Black loyalty during World War I. Indiana University Press.
Chicago-viite (17. p.)Kornweibel, Theodore. Investigate Everything: Federal Efforts to Compel Black Loyalty During World War I. Bloomington, IN: Indiana University Press, 2002.
MLA-viite (9. p.)Kornweibel, Theodore. Investigate Everything: Federal Efforts to Compel Black Loyalty During World War I. Indiana University Press, 2002.
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