Inc, G. (1965). The catholic encyclopedia for school and home. Grolier Inc.
Lua i Stíl Chicago (17ú heag.)Inc, Grolier. The Catholic Encyclopedia for School and Home. Grolier Inc, 1965.
Lua MLA (8ú heag.)Inc, Grolier. The Catholic Encyclopedia for School and Home. Grolier Inc, 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.