Παραπομπή APA

Oppenheim, A. V. (1998). Signals and systems (2nd ed.). Prentice-Hall of India.

Παραπομπή Chicago Style

Oppenheim, Alan V. Signals and Systems. 2nd ed. New Delhi: Prentice-Hall of India, 1998.

Παραπομπή MLA

Oppenheim, Alan V. Signals and Systems. 2nd ed. Prentice-Hall of India, 1998.