WHITTEN, K. R. Ecology of the Porcupine caribou herd. Rangifer, [S. l.], v. 16, n. 4, p. 45–52, 1996. DOI: 10.7557/2.16.4.1220. Disponível em: https://septentrio.uit.no/index.php/rangifer/article/view/1220. Acesso em: 22 oct. 2021.