Knappers, Dunbartonshire: a reassessment. Proceedings of the Society of Antiquaries of Scotland, [S. l.], v. 111, p. 172–204, 1982. DOI: 10.9750/PSAS.111.172.204. Disponível em: https://journals.socantscot.org/index.php/psas/article/view/9057. Acesso em: 2 feb. 2026.