(2008). Toefl ibt activator listening advanced CD 1, CD 2, CD 3, CD 4 (Kèm theo CD/ 706-721).
Trích dẫn kiểu ChicagoToefl Ibt Activator Listening Advanced CD 1, CD 2, CD 3, CD 4 (Kèm Theo CD/ 706-721). 2008.
MLA引文Toefl Ibt Activator Listening Advanced CD 1, CD 2, CD 3, CD 4 (Kèm Theo CD/ 706-721). 2008.
警告:这些引文格式不一定是100%准确.