Ali, K. S. S. (2012). Promoting the speaking skill: A comparative study between group work classes in Fujeirah English and Non-English speaking schools.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ali, Khalid Sayed Shalaby. Promoting the Speaking Skill: A Comparative Study Between Group Work Classes in Fujeirah English and Non-English Speaking Schools. 2012.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Ali, Khalid Sayed Shalaby. Promoting the Speaking Skill: A Comparative Study Between Group Work Classes in Fujeirah English and Non-English Speaking Schools. 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.