POLLOCK, Robert W; BOARDMAN, Sheila; SMITH, Catherine; CRONE, Anne; MOFFAT, Brian. The excavation of a souterrain and roundhouse at Cyderhall, Sutherland. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 122, p. 149–160, 1993. DOI: 10.9750/PSAS.122.149.160. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/9433. Acesso em: 25 jun. 2024.