APA-čujuhus (7. p.)
Babu, P. R., & Anandanatarajan, R. (2012). Signals and systems (4th ed.). Scitech Pub.
Chicago-čujuhus (17. p.)
Babu, P. Ramesh, juo R. Anandanatarajan. Signals and Systems. 4th ed. Kolkata: Scitech Pub, 2012.
MLA-čujuhus (9. p.)
Babu, P. Ramesh, juo R. Anandanatarajan. Signals and Systems. 4th ed. Scitech Pub, 2012.
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