Instituto Brasileiro de Informação em Ciência e Tecnologia

Παραπομπή σε μορφή APA (7η εκδ.)

Não informado. (1985). Communications of the ACM. Association of Computing Machinery.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Não informado. Communications of the ACM. New York: Association of Computing Machinery, 1985.

Παραπομπή σε μορφή MLA (8th εκδ.)

Não informado. Communications of the ACM. Association of Computing Machinery, 1985.