Gaya APA

Carlson,A.Bruce, ., B, C. (2010). Communication systems: an introduction to signals and noise in electrical communication (5th.Ed). New York: McGraw-Hill.

Gaya MLA

Carlson,A.Bruce, ., B, Crilly,Paul. "Communication systems: an introduction to signals and noise in electrical communication". 5th.Ed New York: McGraw-Hill, 2010. Text.