WOODHAM, Anthony A. Four henge monuments in Easter Ross. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 87, p. 72–79, 1955. DOI: 10.9750/PSAS.087.72.79. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8433. Acesso em: 17 may. 2024.