RITCHIE, J N Graham et al. The Stones of Stenness, Orkney: With an account of the Stone of Odin. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 107, p. 1–60, 1978. DOI: 10.9750/PSAS.107.1.60. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8930. Acesso em: 2 may. 2024.