Freeman, R. L. (2004). Telecommunication system engineering. New Jersey: John Wiley and Sons.
Trích dẫn kiểu ChicagoFreeman, Roger L. Telecommunication System Engineering. New Jersey: John Wiley and Sons, 2004.
ציטוט MLAFreeman, Roger L. Telecommunication System Engineering. New Jersey: John Wiley and Sons, 2004.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.