Fisher, B. (1992). Father Louis Welling S.V.D.: Missionary to Papua New Guinea. Divine Word Institute.
Lua i Stíl Chicago (17ú heag.)Fisher, Bernard. Father Louis Welling S.V.D.: Missionary to Papua New Guinea. Madang, Papua New Guinea: Divine Word Institute, 1992.
Lua MLA (8ú heag.)Fisher, Bernard. Father Louis Welling S.V.D.: Missionary to Papua New Guinea. Divine Word Institute, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.