Austin, A. W. (2012). Quaker brotherhood: Interracial activism and the American Friends Service Committee, 1917-1950. University of Illinois Press.
Lua i Stíl Chicago (17ú heag.)Austin, Allan W. Quaker Brotherhood: Interracial Activism and the American Friends Service Committee, 1917-1950. Urbana: University of Illinois Press, 2012.
Lua MLA (9ú heag.)Austin, Allan W. Quaker Brotherhood: Interracial Activism and the American Friends Service Committee, 1917-1950. University of Illinois Press, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.