Mougoyianni, Penelope. «Confrontation and Interchange between Byzantines and Normans in Southern Italy: the Cases of St Nicholas of Myra and St Nicholas the Pilgrim at the End of the 11th Century». A: Daniëlle Slootjes, Mariette Verhoeven (eds). Byzantium in Dialogue with the Mediterranean (en anglès). Brill, 2019-02-21, p. 109–141. DOI10.1163/9789004393585_008. ISBN 978-90-04-39358-5.
Mougoyianni, Penelope. «Confrontation and Interchange between Byzantines and Normans in Southern Italy: the Cases of St Nicholas of Myra and St Nicholas the Pilgrim at the End of the 11th Century». A: Daniëlle Slootjes, Mariette Verhoeven (eds). Byzantium in Dialogue with the Mediterranean (en anglès). Brill, 2019-02-21, p. 109–141. DOI10.1163/9789004393585_008. ISBN 978-90-04-39358-5.