Dòng Nội dung
1
Cambridge first certificate listening and speaking / Sue O'Connell.
Cambridge : Cambridge University Press, 1992
120 p. ; 28 cm.



2
Focus on IELTS / Sue O'Connell
Harlow : Pearson, 2004
223 +175 p. : ill. ; 30 cm.



3
Focus on IELTS / Sue O Connell ; Nguyễn Đăng Sửu giới thiệu
Hải Phòng : Nxb. Hải Phòng, 2003
245 p. ; 23 cm.



4
Focus on proficiency / Susan O Connell
Harlow : Longman, 1995
224p. : ill. ; 28 cm