Nielsen, G. L. (1967). A critical inquiry into feasability studies for automated business systems. Univ. Microfilms.
Chicago-referens (17:e uppl.)Nielsen, Gordon Lloyd. A Critical Inquiry into Feasability Studies for Automated Business Systems. Austin, Texas, (Ann Arbor, Mich.: Univ. Microfilms, 1967.
MLA-referens (8:e uppl.)Nielsen, Gordon Lloyd. A Critical Inquiry into Feasability Studies for Automated Business Systems. Univ. Microfilms, 1967.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.