CHORAFAS, D. N. TELEPHONY TODAY & TOMORROW. PRENTICE - HALL.
Chicago Style (17th ed.) CitationCHORAFAS, D. N. TELEPHONY TODAY & TOMORROW. ENGLEWOOD: PRENTICE - HALL.
MLA引文CHORAFAS, D. N. TELEPHONY TODAY & TOMORROW. PRENTICE - HALL.
警告:這些引文格式不一定是100%准確.