Wooding 2017, p. 667. Wooding, Jonathan (2017). "Dewi Sant/St. David". In Echard, Sian; Rouse, Robert (eds.). The Encyclopedia of Medieval Literature in Britain, 4 Volume Set. John Wiley & Sons ltd.
Wooding 2017, p. 666. Wooding, Jonathan (2017). "Dewi Sant/St. David". In Echard, Sian; Rouse, Robert (eds.). The Encyclopedia of Medieval Literature in Britain, 4 Volume Set. John Wiley & Sons ltd.