American headway 2: Student’s book.
Trích dẫn kiểu ChicagoAmerican Headway 2: Student’s Book.
MLA引文American Headway 2: Student’s Book.
警告：这些引文格式不一定是100％准确.
APA引文
American headway 2: Student’s book.
Trích dẫn kiểu ChicagoAmerican Headway 2: Student’s Book.
MLA引文American Headway 2: Student’s Book.