Reuter, J. B. (1998). The gentle warrior: The story of Father George J. Willmann, S.J. Knights of Columbus, Father George J. Willman Charities.
Lua i Stíl Chicago (17ú heag.)Reuter, James B. The Gentle Warrior: The Story of Father George J. Willmann, S.J. Manila: Knights of Columbus, Father George J. Willman Charities, 1998.
Lua MLA (9ú heag.)Reuter, James B. The Gentle Warrior: The Story of Father George J. Willmann, S.J. Knights of Columbus, Father George J. Willman Charities, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.