Matarasso, P. M. (1969). The quest of the Holy Grail. Penguin.
Lua i Stíl Chicago (17ú heag.)Matarasso, Pauline Maud. The Quest of the Holy Grail. Middlesex, England: Penguin, 1969.
Lua MLA (9ú heag.)Matarasso, Pauline Maud. The Quest of the Holy Grail. Penguin, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.