REDAKTIONEN, .-. Arthur T. Hadley, Railroad Transportation, ist History and its Laws. New York and London, G. P. Putnams Sons. 1886. (269 S.). Nationaløkonomisk Tidsskrift, [S. l.], v. 5, 1887. Disponível em: https://tidsskrift.dk/nationaloekonomisktidsskrift/article/view/65320. Acesso em: 13 maj. 2024.