Walsh, G. G. (1947). Catholicism. Declan X. McMullen Co.
Lua i Stíl Chicago (17ú heag.)Walsh, Gerald G. Catholicism. New York: Declan X. McMullen Co, 1947.
Lua MLA (8ú heag.)Walsh, Gerald G. Catholicism. Declan X. McMullen Co, 1947.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.