Hayes, J. M. (1941). Designs for social action. Paulist Press.
Lua i Stíl Chicago (17ú heag.)Hayes, John M. Designs for Social Action. New York, N.Y.: Paulist Press, 1941.
Lua MLA (8ú heag.)Hayes, John M. Designs for Social Action. Paulist Press, 1941.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.