Heffernan, W. (1987). Acts of contrition. Onix.
Lua i Stíl Chicago (17ú heag.)Heffernan, William. Acts of Contrition. New York: Onix, 1987.
Lua MLA (9ú heag.)Heffernan, William. Acts of Contrition. Onix, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.