Citazione Stile APA (7a Edizione)

OPPENHEIM ,ALAN V. (1997). SIGNALS & SYSTEMS: 2ND ED. PHI.

Citazione stile Chigago Style (17a edizione)

OPPENHEIM ,ALAN V. SIGNALS & SYSTEMS: 2ND ED. NEW DELHI: PHI, 1997.

Citatione MLA (9a ed.)

OPPENHEIM ,ALAN V. SIGNALS & SYSTEMS: 2ND ED. PHI, 1997.