APA-čujuhus (7. p.)
Couch, L. W. (2002). Digital and analog communication systems (6th ed.). Pearson Education.
Chicago-čujuhus (17. p.)
Couch, Leon W. Digital and Analog Communication Systems. 6th ed. Delhi: Pearson Education, 2002.
MLA-čujuhus (9. p.)
Couch, Leon W. Digital and Analog Communication Systems. 6th ed. Pearson Education, 2002.
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