YOUNG, Alison. Cup and Ring-Markings on Craig Ruenshin, with some Comparative Notes. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 72, p. 143–149, 1938. DOI: 10.9750/PSAS.072.143.149. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8069. Acesso em: 17 may. 2024.