CAMPBELL, Ewan. A cross-marked quern from Dunadd and other evidence for relations between Dunadd and Iona. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 117, p. 105–117, 1988. DOI: 10.9750/PSAS.117.105.117. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/9303. Acesso em: 20 apr. 2024.