Bellamy John. (1991). Digital Telephony (2nd ed.). Wiley.
Chicagoスタイル(17版)引用形式Bellamy John. Digital Telephony. 2nd ed. New York: Wiley, 1991.
MLA(9版)引用形式Bellamy John. Digital Telephony. 2nd ed. Wiley, 1991.
警告: この引用は必ずしも正確ではありません.
Bellamy John. (1991). Digital Telephony (2nd ed.). Wiley.
Chicagoスタイル(17版)引用形式Bellamy John. Digital Telephony. 2nd ed. New York: Wiley, 1991.
MLA(9版)引用形式Bellamy John. Digital Telephony. 2nd ed. Wiley, 1991.