Não informado. (1969). Computer & Control Abstracts. Institution of Electrical Engineers.
Chicago (17e ed.) BronvermeldingNão informado. Computer & Control Abstracts. London: Institution of Electrical Engineers, 1969.
MLA (8e ed.) BronvermeldingNão informado. Computer & Control Abstracts. Institution of Electrical Engineers, 1969.
Let op: Deze citaties zijn niet altijd 100% accuraat.