Dòng Nội dung
1
Headway upper - intermediate : Student's book / John & Liz Soars.
Hà Nội : Công ty in Hàng Không, 1995.
136 tr. : ill ; 28 cm.
2
Headway upper - intermediate Pronunciation / Sarah Cunningham, Bill Bowler
Oxford, England : Oxford University Press, 1992.
108 tr. : ill. ; 28 cm.
3
Headway upper - intermediate. Teacher's book / John, Liz Soars
Oxford : Oxford University Press, 1996
85 tr. : ill. ; 28 cm.