Roger L. Freeman. (1996). Telecommunication system engineering. New York: John Wiley and Sons.
Trích dẫn kiểu ChicagoRoger L. Freeman. Telecommunication System Engineering. New York: John Wiley and Sons, 1996.
MLA引文Roger L. Freeman. Telecommunication System Engineering. New York: John Wiley and Sons, 1996.
警告：这些引文格式不一定是100％准确.