APA引文

SINGAL .T. L. ANALOG & DIGITAL COMMUNICATION. MC-GRAW HILL.

芝加哥风格引文

SINGAL .T. L. ANALOG & DIGITAL COMMUNICATION. NEW DELHI: MC-GRAW HILL.

MLA引文

SINGAL .T. L. ANALOG & DIGITAL COMMUNICATION. MC-GRAW HILL.

警告：这些引文格式不一定是100％准确.