Não informado. (1969). Computer & Control Abstracts. Institution of Electrical Engineers.
Chicago-referens (17:e uppl.)Não informado. Computer & Control Abstracts. London: Institution of Electrical Engineers, 1969.
MLA-referens (8:e uppl.)Não informado. Computer & Control Abstracts. Institution of Electrical Engineers, 1969.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.