CRUICKSHANK, J. G. Professor William Kirk. Irish Geography, [S. l.], v. 20, n. 2, p. 110, 2016. DOI: 10.55650/igj.1987.702. Disponível em: https://irishgeography.ie/index.php/irishgeography/article/view/702. Acesso em: 2 may. 2024.