DEUTSCH, R. (1969). System analysis techniques. Prentice-Hall.
Cita Chicago (17th ed.)DEUTSCH, Ralph. System Analysis Techniques. New Jersey: Prentice-Hall, 1969.
Cita MLA (9th ed.)DEUTSCH, Ralph. System Analysis Techniques. Prentice-Hall, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.