ARMSTRONG, John. Management Response in British Coastal Shipping Companies to Railway Competition. The Northern Mariner / Le marin du nord, [S. l.], v. 7, n. 1, p. 17–28, 1997. DOI: 10.25071/2561-5467.664. Disponível em: https://tnm.journals.yorku.ca/index.php/default/article/view/664. Acesso em: 8 jan. 2025.