Não informado. (1976). ACM Transactions on Database Systems. Association for Computing Machinery.
Lua i Stíl Chicago (17ú heag.)Não informado. ACM Transactions on Database Systems. New York: Association for Computing Machinery, 1976.
Lua MLA (8ú heag.)Não informado. ACM Transactions on Database Systems. Association for Computing Machinery, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.