LAING, R. I.; HOLROYD, G. L. The Status of the Black-Footed Ferret in Canada. Blue Jay, [S. l.], v. 47, n. 2, 1989. DOI: 10.29173/bluejay4892. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/4892. Acesso em: 28 sep. 2022.