STEWART, Margaret E C; SHIPLEY, B M; ROMANS, J C C; COLES, J M; DURNO, S E. The Excavation of two Circular Enclosures at Dalnaglar, Perthshire. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 95, p. 134–158, 1964. DOI: 10.9750/PSAS.095.134.158. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8625. Acesso em: 4 may. 2024.