OPPENHEIM ALAN V. SIGNALS AND SYSTEMS. PRENTICE HALL.
Cita Chicago (17th ed.)OPPENHEIM ALAN V. SIGNALS AND SYSTEMS. CANADA: PRENTICE HALL.
Cita MLA (9th ed.)OPPENHEIM ALAN V. SIGNALS AND SYSTEMS. PRENTICE HALL.
Atenció: Aquestes cites poden no estar 100% correctes.