May، G. Z. (2002). THE DISTRIBUTION OF THE GLOTTAL SOUNDS OF DIFFERENT ENGLISH VARIETIES AND PRONUNCIATION STYLES. مجلة الآداب، ع61 ، 66 - 83. مسترجع من http://search.mandumah.com/Record/664607
May، George Zia. "THE DISTRIBUTION OF THE GLOTTAL SOUNDS OF DIFFERENT ENGLISH VARIETIES AND PRONUNCIATION STYLES." مجلة الآداب ع61 (2002): 66 - 83. مسترجع من http://search.mandumah.com/Record/664607