Citazione APA

Oppenheim, A. V., Buck, J. R., & Schafer, R. W. (2009). Discrete-time signal processing (2nd ed.). Pearson.

Stile di citazione Chicago

Oppenheim, Alan V., John R. Buck, e Ronald W. Schafer. Discrete-time Signal Processing. 2nd ed. New Delhi: Pearson, 2009.

Citazione MLA

Oppenheim, Alan V., et al. Discrete-time Signal Processing. 2nd ed. Pearson, 2009.