Wilkinson, W. E. (1974). Ripon Cathedral. [Pitkin Pictorials].
Lua i Stíl Chicago (17ú heag.)Wilkinson, W. E. Ripon Cathedral. [London]: [Pitkin Pictorials], 1974.
Lua MLA (8ú heag.)Wilkinson, W. E. Ripon Cathedral. [Pitkin Pictorials], 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.