Não informado. (1973). Previews: Non-print software & hardware news & reviews. R.R. Bowker Company.
Chicago (17e ed.) BronvermeldingNão informado. Previews: Non-print Software & Hardware News & Reviews. New York: R.R. Bowker Company, 1973.
MLA (8e ed.) BronvermeldingNão informado. Previews: Non-print Software & Hardware News & Reviews. R.R. Bowker Company, 1973.
Let op: Deze citaties zijn niet altijd 100% accuraat.