HONG, James W.; MARSHALL, Andrew D.; BAUER, Michael A. X 500: More Than a Global Directory. Proceedings of the Annual Conference of CAIS / Actes du congrès annuel de l’ACSI, [S. l.], 2013. DOI: 10.29173/cais148. Disponível em: https://journals.library.ualberta.ca/ojs.cais-acsi.ca/index.php/cais-asci/article/view/148. Acesso em: 7 nov. 2025.