Asaad، N. W. A.، و Sheriff، F. R. (2004). Acculturative Stress, Social Support Networks, and Academic Achievement of Saudi Arabian Students in the United States (رسالة دكتوراه غير منشورة). Howard University، واشنطن. مسترجع من http://search.mandumah.com/Record/616351
Asaad، Najat Wali Aldeen، و Fariyal Ross Sheriff. "Acculturative Stress, Social Support Networks, and Academic Achievement of Saudi Arabian Students in the United States" رسالة دكتوراه. Howard University، واشنطن، 2004. مسترجع من http://search.mandumah.com/Record/616351