MASON, J. New Directions in Reference. Journal of the Canadian Health Libraries Association / Journal de l’Association des bibliothèques de la santé du Canada, [S. l.], v. 27, n. 4, p. 127, 2006. DOI: 10.5596/c06-038. Disponível em: https://journals.library.ualberta.ca/jchla/index.php/jchla/article/view/24046. Acesso em: 3 oct. 2022.