Catholic Church, Corpus Christi College (University of Cambridge). Library, Hughes, A., & Wulfstan, S. (1958). The Portiforium of Saint Wulstan: (Corpus Christi College, Cambridge ms. 391). Henry Bradshaw Society].
Lua i Stíl Chicago (17ú heag.)Catholic Church, Corpus Christi College (University of Cambridge). Library, Anselm Hughes, agus Saint Wulfstan. The Portiforium of Saint Wulstan: (Corpus Christi College, Cambridge Ms. 391). [London: Henry Bradshaw Society], 1958.
Lua MLA (8ú heag.)Catholic Church, et al. The Portiforium of Saint Wulstan: (Corpus Christi College, Cambridge Ms. 391). Henry Bradshaw Society], 1958.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.