Al Bagami، R.، و Whong، M. (2011). The Acquisition of English Prepositional Feature-Assembly by Arab Efl Students: A Case Study of Saudi Students in A Language Centre in Leeds, Uk (رسالة ماجستير غير منشورة). University of Leeds، ليدز. مسترجع من http://search.mandumah.com/Record/607574
Al Bagami، Rashidah، و Melinda Whong. "The Acquisition of English Prepositional Feature-Assembly By Arab Efl Students: A Case Study of Saudi Students in A Language Centre in Leeds, Uk" رسالة ماجستير. University of Leeds، ليدز، 2011. مسترجع من http://search.mandumah.com/Record/607574