Writers' Program of the Work Projects Administration in the State of Illinois, ebrary, Inc, & Dolinar, B. (2013). The Negro in Illinois: The WPA papers. University of Illinois Press.
Lua i Stíl Chicago (17ú heag.)Writers' Program of the Work Projects Administration in the State of Illinois, Inc ebrary, agus Brian Dolinar. The Negro in Illinois: The WPA Papers. Urbana: University of Illinois Press, 2013.
Lua MLA (9ú heag.)Writers' Program of the Work Projects Administration in the State of Illinois, et al. The Negro in Illinois: The WPA Papers. University of Illinois Press, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.