Ellis, M. (2013). Race harmony and black progress: Jack Woofter and the interracial cooperation movement. Indiana University Press.
Lua i Stíl Chicago (17ú heag.)Ellis, Mark. Race Harmony and Black Progress: Jack Woofter and the Interracial Cooperation Movement. Bloomington: Indiana University Press, 2013.
Lua MLA (9ú heag.)Ellis, Mark. Race Harmony and Black Progress: Jack Woofter and the Interracial Cooperation Movement. Indiana University Press, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.