Ellis, M. (2013). Race harmony and black progress: Jack Woofter and the interracial cooperation movement. Indiana University Press.
Chicago-čujuhus (17. p.)Ellis, Mark. Race Harmony and Black Progress: Jack Woofter and the Interracial Cooperation Movement. Bloomington: Indiana University Press, 2013.
MLA-čujuhus (9. p.)Ellis, Mark. Race Harmony and Black Progress: Jack Woofter and the Interracial Cooperation Movement. Indiana University Press, 2013.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.