(2003). English know how Workbook 1.
Trích dẫn kiểu ChicagoEnglish Know How Workbook 1. 2003.
MLA引文English Know How Workbook 1. 2003.
警告：这些引文格式不一定是100％准确.
APA引文
(2003). English know how Workbook 1.
Trích dẫn kiểu ChicagoEnglish Know How Workbook 1. 2003.
MLA引文English Know How Workbook 1. 2003.