Bellamy, J. C. (1982). Digital telephony. New York: John Wiley and Sons.
Trích dẫn kiểu ChicagoBellamy, John C. Digital Telephony. New York: John Wiley and Sons, 1982.
MLA引文Bellamy, John C. Digital Telephony. New York: John Wiley and Sons, 1982.
警告:這些引文格式不一定是100%准確.