(2002). International express: Elementary student’s book.
Trích dẫn kiểu ChicagoInternational Express: Elementary Student’s Book. 2002.
MLA引文International Express: Elementary Student’s Book. 2002.
警告：這些引文格式不一定是100％准確.
APA引文
(2002). International express: Elementary student’s book.
Trích dẫn kiểu ChicagoInternational Express: Elementary Student’s Book. 2002.
MLA引文International Express: Elementary Student’s Book. 2002.