Humphery-Smith, C. R. (1994). Hugh Revel: Master of the hospital of St. John of Jerusalem, 1258-1277. Phillimore.
Chicago-referens (17:e uppl.)Humphery-Smith, Cecil Raymund. Hugh Revel: Master of the Hospital of St. John of Jerusalem, 1258-1277. Chichester: Phillimore, 1994.
MLA-referens (8:e uppl.)Humphery-Smith, Cecil Raymund. Hugh Revel: Master of the Hospital of St. John of Jerusalem, 1258-1277. Phillimore, 1994.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.