Não informado. (1976). ACM Transactions on Database Systems. Association for Computing Machinery.
Chicago-referens (17:e uppl.)Não informado. ACM Transactions on Database Systems. New York: Association for Computing Machinery, 1976.
MLA-referens (8:e uppl.)Não informado. ACM Transactions on Database Systems. Association for Computing Machinery, 1976.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.