(2002). English Skills With Readings.
Trích dẫn kiểu ChicagoEnglish Skills With Readings. 2002.
MLA引文English Skills With Readings. 2002.
警告：这些引文格式不一定是100％准确.
APA引文
(2002). English Skills With Readings.
Trích dẫn kiểu ChicagoEnglish Skills With Readings. 2002.
MLA引文English Skills With Readings. 2002.