Sleny، M. E. (1980). The Question of English Questions for Speakers of Arabic: A Contrastive Study. مجلة كلية الآداب، مج7 ، 43 - 56. مسترجع من http://search.mandumah.com/Record/657708
Sleny، Mahmoud Esmail. "The Question of English Questions for Speakers of Arabic: A Contrastive Study." مجلة كلية الآداب مج7 (1980): 43 - 56. مسترجع من http://search.mandumah.com/Record/657708