Stopford, J. (1999). Pilgrimage explored. York Medieval Press.
Lua i Stíl Chicago (17ú heag.)Stopford, J. Pilgrimage Explored. Woodbridge, Suffolk ; Rochester, NY: York Medieval Press, 1999.
Lua MLA (8ú heag.)Stopford, J. Pilgrimage Explored. York Medieval Press, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.