GRANT, Walter G. Excavation of Bronze Age burial mounds at Quandale, Rousay, Orkney. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 71, p. 72–84, 1937. DOI: 10.9750/PSAS.071.72.84. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8037. Acesso em: 4 may. 2024.