NERO, R. W. Black-Throated Blue Warbler at Regina. Blue Jay, [S. l.], v. 18, n. 4, 1960. DOI: 10.29173/bluejay2180. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/2180. Acesso em: 19 may. 2024.