Awaness، L. M. (1974). Vowel Quality and a Suggestion for Three Dimensional Convention of Identification. آداب الرافدين، ع5 ، 19 - 26. مسترجع من http://search.mandumah.com/Record/692553
Awaness، Lasim M. "Vowel Quality and a Suggestion for Three Dimensional Convention of Identification." آداب الرافدين ع5 (1974): 19 - 26. مسترجع من http://search.mandumah.com/Record/692553