PINEL, Harold W.; ROBINSON, Carol J. Calgary Bluebird Trail. Blue Jay, [S. l.], v. 32, n. 2, 1970. DOI: 10.29173/bluejay3948. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/3948. Acesso em: 22 jul. 2024.