Ryan, J. J. (1906). Memoir of the life of Rev. Burchard Villiger of the Society of Jesus. Press of F. McManus, Jr. & Co..
Lua i Stíl Chicago (17ú heag.)Ryan, John J. Memoir of the Life of Rev. Burchard Villiger of the Society of Jesus. Philadelphia: Press of F. McManus, Jr. & Co., 1906.
Lua MLA (8ú heag.)Ryan, John J. Memoir of the Life of Rev. Burchard Villiger of the Society of Jesus. Press of F. McManus, Jr. & Co., 1906.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.