Cita APA (7th ed.)

FitzGerald, J., & FitzGerald, A. F. (1987). Fundamentals of systems analysis: Using structured analysis and design techniques (3rd ed.). Wiley.

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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