Gaya APA

Carlos, A, B., C, I, C, P, B, I, R, J. (NULL). Communication systems an introduction to signals and noise in electrical ì communication . New: .

Gaya MLA

Carlos, A., Bruce., C, I., Crilly, Paul, B, II., Rutledge,, Janet. "Communication systems an introduction to signals and noise in electrical ì communication". New: , NULL. Text.