(1991). Understanding telephone electronics (3rd ed.). Texas, Instruments, Inc.
芝加哥风格引文Understanding Telephone Electronics. 3rd ed. Carmel, Indiana: Texas, Instruments, Inc, 1991.
MLA引文Understanding Telephone Electronics. 3rd ed. Texas, Instruments, Inc, 1991.
警告：这些引文格式不一定是100％准确.