RITCHIE, Graham; RITCHIE, Anna. A long cist at Cnoc Aingil, Islay, Argyll. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 106, p. 205–208, 1977. DOI: 10.9750/PSAS.106.205.208. Disponível em: //journals.socantscot.org/index.php/psas/article/view/8926. Acesso em: 20 mar. 2025.