Cita APA (7th ed.)

Fitzgerald, J. (1981). Fundamentals of systems analysis (2nd ed.). Wiley.

Cita Chicago (17th ed.)

Fitzgerald, Jerry. Fundamentals of Systems Analysis. 2nd ed. New York: Wiley, 1981.

Cita MLA (9th ed.)

Fitzgerald, Jerry. Fundamentals of Systems Analysis. 2nd ed. Wiley, 1981.