Dòng Nội dung
1
Face 2 face : Advanced / Student's book /
Boston, Mas : Cambridge university press, [2006]
160 p. ; ill. ; 26 cm. :



2
Face to face : communication, culture, and collaboration / Virginia Vogel Zanger
Boston, Mas : Heinle & Heinle, 1993
222 p. ; 26 cm.