FAIRHURST, Horace. The Stack Fort on Ugadale Point, Kintyre. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 88, p. 15–21, 1956. DOI: 10.9750/PSAS.088.15.21. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8455. Acesso em: 20 apr. 2024.