Jones, Leo (1943- ). ( w 6 rekordach )
- Kp Progress to first certificate. - 4 Print. - Cambridge, 1992.
- NUC-online
- Cambridge advanced English : student's book / Jones, Leo
- Cambridge advanced English : teacher's book / Jones, Leo
- Making progress to First Certificate : self-study student's book / Jones, Leo
- Making Progress to First Certificate / Jones, Leo
- New progress to First Certificate : self-study student's book / Jones, Leo
- Progress to first certificate : self-study student's book / Jones, Leo