Excavations on Iona, 1979. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 111, p. 282–380, 1982. DOI: 10.9750/PSAS.111.282.380. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/9062. Acesso em: 5 dec. 2025.