HARRIS, W. C. Great Gray Owls in Saskatchewan (1974–1983). Blue Jay, [S. l.], v. 42, n. 3, 1984. DOI: 10.29173/bluejay4712. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/4712. Acesso em: 22 jul. 2024.