APA
Haykin S, . (1989). Introduction to Analog and Digital Communications. New York: John Willey & Sons.
Chicago
Haykin S, . 1989. Introduction to Analog and Digital Communications. New York: John Willey & Sons.
Harvard
Haykin S, . (1989). Introduction to Analog and Digital Communications. New York: John Willey & Sons.
MLA
Haykin S, . Introduction to Analog and Digital Communications. New York: John Willey & Sons. 1989.