Shipley, D., & Hornak, A. (1990). Durham Cathedral. Tauris Parke Books in association with KEA Pub. Services.
Lua i Stíl Chicago (17ú heag.)Shipley, Debra, agus Angelo Hornak. Durham Cathedral. London: Tauris Parke Books in association with KEA Pub. Services, 1990.
Lua MLA (8ú heag.)Shipley, Debra, agus Angelo Hornak. Durham Cathedral. Tauris Parke Books in association with KEA Pub. Services, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.