کتاب های Upton, Clive
![The Routledge dictionary of pronunciation for current English](http://cdn.ketabkoo.com/covers/11/1198349-n.jpg)
The Routledge dictionary of pronunciation for current English
Kretzschmar, William A.; Upton, Clive, 2017![The Oxford Dictionary of Pronunciation for Current English](http://cdn.ketabkoo.com/covers/12/1290201-n.jpg)
The Oxford Dictionary of Pronunciation for Current English
Upton, Clive ; Kretzschmar, William A., Jr ; Konopka, Rafal, 2001![The Routledge Dictionary of Pronunciation for Current English](http://cdn.ketabkoo.com/covers/16/1616342-n.jpg)