APA-referens (7:e uppl.)
Introduction to systems analysis and design / Hawayszkiewyez,Igor: PHI 4th (4th ed.).
Chicago-referens (17:e uppl.)
Introduction to Systems Analysis and Design / Hawayszkiewyez,Igor: PHI 4th. 4th ed.
MLA-referens (9:e uppl.)
Introduction to Systems Analysis and Design / Hawayszkiewyez,Igor: PHI 4th. 4th ed.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.