STILES, D. J. Calgary Area Bluebird Trails – 1979. Blue Jay, [S. l.], v. 38, n. 3, 1980. DOI: 10.29173/bluejay4677. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/4677. Acesso em: 18 may. 2024.