YEOMAN, Peter A et al. Excavations at Castlehill of Strachan, 1980-1. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 114, p. 315–364, 1985. DOI: 10.9750/PSAS.114.315.364. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/9167. Acesso em: 2 may. 2024.