RETTIE, J.; ROCK, T.; MESSIER, F. Status of woodland caribou in Saskatchewan. Rangifer, [S. l.], v. 18, n. 5, p. 105–109, 1998. DOI: 10.7557/2.18.5.1546. Disponível em: https://septentrio.uit.no/index.php/rangifer/article/view/1546. Acesso em: 9 dec. 2021.