CAVANA, R.Y; HARRISON, I.G; HEFFERMAN, F.E.B; KISSLING, C.C. Freight transport industry in New Zealand. School of Management Working Papers, [S. l.], p. 1–48, 1997. Disponível em: https://ojs.victoria.ac.nz/somwp/article/view/7234. Acesso em: 25 oct. 2025.