CALDWELL, David H. Ardrossan Castle, Ayrshire: a preliminary account. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 104, p. 201–221, 1974. DOI: 10.9750/PSAS.104.201.221. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/8817. Acesso em: 25 apr. 2024.