HARRIS, Wayne. Harlequin Duck at Saskatoon. Blue Jay, [S. l.], v. 32, n. 3, 1970. DOI: 10.29173/bluejay4192. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/4192. Acesso em: 1 may. 2024.