Não informado. (1973). Previews: Non-print software & hardware news & reviews. R.R. Bowker Company.
Chicago-viite (17. p.)Não informado. Previews: Non-print Software & Hardware News & Reviews. New York: R.R. Bowker Company, 1973.
MLA-viite (8. p.)Não informado. Previews: Non-print Software & Hardware News & Reviews. R.R. Bowker Company, 1973.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.