Gwynn, A. R. (1966). A breviary from St. Mary's Abbey, Trim.
Lua i Stíl Chicago (17ú heag.)Gwynn, Aubrey Rev. A Breviary from St. Mary's Abbey, Trim. 1966.
Lua MLA (9ú heag.)Gwynn, Aubrey Rev. A Breviary from St. Mary's Abbey, Trim. 1966.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
