(2006). World pass (advanced): Expanding English fluency. Boston, MA: Thomson ELT.
Trích dẫn kiểu ChicagoWorld Pass (advanced): Expanding English Fluency. Boston, MA: Thomson ELT, 2006.
MLA引文World Pass (advanced): Expanding English Fluency. Boston, MA: Thomson ELT, 2006.
警告:这些引文格式不一定是100%准确.