Hefling, C. C. (1984). Why doctrines? Cowley.
Lua i Stíl Chicago (17ú heag.)Hefling, Charles C. Why Doctrines? [Cambridge, Mass.]: Cowley, 1984.
Lua MLA (9ú heag.)Hefling, Charles C. Why Doctrines? Cowley, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.