Al Darrab، S. (1983). An examination of past and present public relations practices in the Saudi Arabian ministry of information (رسالة ماجستير غير منشورة). University of Wisconsin–Milwaukee، ميلواكي. مسترجع من http://search.mandumah.com/Record/616058
Al Darrab، Saleh. "An Examination of Past and Present Public Relations Practices in the Saudi Arabian Ministry of Information" رسالة ماجستير. University of Wisconsin–Milwaukee، ميلواكي، 1983. مسترجع من http://search.mandumah.com/Record/616058