(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.
ציטוט MLAWorld Pass (advanced): Expanding English Fluency. Boston, MA: Thomson ELT, 2006.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.