Gannon, R. I. (1945). Do we need Christ? National Council of Catholic Men.
Lua i Stíl Chicago (17ú heag.)Gannon, Robert I. Do We Need Christ? Washington, D.C.: National Council of Catholic Men, 1945.
Lua MLA (8ú heag.)Gannon, Robert I. Do We Need Christ? National Council of Catholic Men, 1945.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.