O'Brien, W. A. (1931). How to serve low mass. Benziger Bros..
Lua i Stíl Chicago (17ú heag.)O'Brien, William A. How to Serve Low Mass. New York ; Boston: Benziger Bros., 1931.
Lua MLA (8ú heag.)O'Brien, William A. How to Serve Low Mass. Benziger Bros., 1931.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.