COUCH LEON W II. (2009). DIGITAL & ANALOG COMMUNICATION SYSTEMS (7 ED.). PEARSON.
芝加哥风格引文COUCH LEON W II. DIGITAL & ANALOG COMMUNICATION SYSTEMS. 7 ED. NEW DELHI: PEARSON, 2009.
MLA引文COUCH LEON W II. DIGITAL & ANALOG COMMUNICATION SYSTEMS. 7 ED. PEARSON, 2009.
警告：这些引文格式不一定是100％准确.