Dòng Nội dung
1
Interactions one : a listening/speaking skills book / Judith Tanka, Paul Most.
New York : McGraw-Hill, 1996
xvii, 188 p. ; 23 cm.
2
Listening & speaking 1 / Cheryl Benz, Kara Dworak.
Boston : Heinle & Heinle, 2000
277 p. : ill., maps ; 26 cm.