Não informado. (1973). Previews: Non-print software & hardware news & reviews. R.R. Bowker Company.
Chicago-referens (17:e uppl.)Não informado. Previews: Non-print Software & Hardware News & Reviews. New York: R.R. Bowker Company, 1973.
MLA-referens (8:e uppl.)Não informado. Previews: Non-print Software & Hardware News & Reviews. R.R. Bowker Company, 1973.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.