APA (7th ed.) Zitazioa
Babu, R. (2003). Digital signal processing (2nd ed.). Scitech Pub.
Chicago Style (17th ed.) Zitazioa
Babu, Ramesh. Digital Signal Processing. 2nd ed. Chennai: Scitech Pub, 2003.
MLA (9th ed.) Zitazioa
Babu, Ramesh. Digital Signal Processing. 2nd ed. Scitech Pub, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.