Stoughton, J. (1988). Proud donkey of Schaerbeek: Ade Bethune, Catholic Worker artist. North Star Press.
Lua i Stíl Chicago (17ú heag.)Stoughton, Judith. Proud Donkey of Schaerbeek: Ade Bethune, Catholic Worker Artist. St. Cloud, Minn.: North Star Press, 1988.
Lua MLA (8ú heag.)Stoughton, Judith. Proud Donkey of Schaerbeek: Ade Bethune, Catholic Worker Artist. North Star Press, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.