d'Alvarenga, João Pedro. «The Liturgical Use and Chant Tradition of Évora Cathedral from a Fragment of a Thirteenth-Century Antiphoner». Revista Portuguesa de Musicologia 5, no. 2 (agosto 9, 2019): 299–314. Acedido maio 17, 2026. https://rpm-ns.pt/index.php/rpm/article/view/350.