Association for Computing Machinery. (1981). ACM '81 conference proceedings: Los Angeles, California, November 9-11, 1981. Association for Computing Machinery.
Citação do estilo Chicago (17ª ed.)Association for Computing Machinery. ACM '81 Conference Proceedings: Los Angeles, California, November 9-11, 1981. New York: Association for Computing Machinery, 1981.
Citação MLA (8ª ed.)Association for Computing Machinery. ACM '81 Conference Proceedings: Los Angeles, California, November 9-11, 1981. Association for Computing Machinery, 1981.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.