Proceedings of the May 18-20, 1971, spring joint computer conference. Association for Computing Machinery (ACM).
Chicago-referens (17:e uppl.)Proceedings of the May 18-20, 1971, Spring Joint Computer Conference. Association for Computing Machinery (ACM).
MLA-referens (8:e uppl.)Proceedings of the May 18-20, 1971, Spring Joint Computer Conference. Association for Computing Machinery (ACM).
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.