Humphery-Smith, C. R. (1994). Hugh Revel: Master of the hospital of St. John of Jerusalem, 1258-1277. Phillimore.
Lua i Stíl Chicago (17ú heag.)Humphery-Smith, Cecil Raymund. Hugh Revel: Master of the Hospital of St. John of Jerusalem, 1258-1277. Chichester: Phillimore, 1994.
Lua MLA (8ú heag.)Humphery-Smith, Cecil Raymund. Hugh Revel: Master of the Hospital of St. John of Jerusalem, 1258-1277. Phillimore, 1994.
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