Sicius, F. J. (1979). The Chicago Catholic Worker Movement 1936 to the present.
Lua i Stíl Chicago (17ú heag.)Sicius, Francis J. The Chicago Catholic Worker Movement 1936 to the Present. 1979.
Lua MLA (8ú heag.)Sicius, Francis J. The Chicago Catholic Worker Movement 1936 to the Present. 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.