COWARD, Richard E. MARC International. Information Technology and Libraries, [S. l.], v. 2, n. 4, p. 181–186, 1969. DOI: 10.6017/ital.v2i4.4663. Disponível em: https://ital.corejournals.org/index.php/ital/article/view/4663. Acesso em: 2 may. 2024.