Retrieved 11 August 2012. (subscription or UK public library membership required) Marvin, Julia, The Oldest Anglo-Norman Prose Brut Chronicle: An Edition and Translation (2006).
Erişim tarihi: 11 August 2012.  Birleşik Krallık Halk Kütüphanesi abonelik veya üyeliği gereklidir Marvin, Julia, The Oldest Anglo-Norman Prose Brut Chronicle: An Edition and Translation (2006).