APA-referens

FitzGerald,Jerry and FitzGerald,Ardra F. (1987). Fundamentals of Systems Analysis: Using Structured Analysis and Design Techniques/ed.3. John Wiley.

Chicago-stil citat

FitzGerald,Jerry and FitzGerald,Ardra F. Fundamentals of Systems Analysis: Using Structured Analysis and Design Techniques/ed.3. New York: John Wiley, 1987.

MLA-referens

FitzGerald,Jerry and FitzGerald,Ardra F. Fundamentals of Systems Analysis: Using Structured Analysis and Design Techniques/ed.3. John Wiley, 1987.