Al-Yousef, H. S. D., & supervised mohammed ziad kebbe. (2007). An Evaluation of the third grade intermediate english coursebook in Saudi Arabia. Deanship of Higher Studies, College of Arts,Language Department, College of Arts, King Saud University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Al-Yousef, Hesham Suleiman Dawood, و supervised mohammed ziad kebbe. An Evaluation of the Third Grade Intermediate English Coursebook in Saudi Arabia. Riyadh: Deanship of Higher Studies, College of Arts,Language Department, College of Arts, King Saud University, 2007.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Al-Yousef, Hesham Suleiman Dawood, و supervised mohammed ziad kebbe. An Evaluation of the Third Grade Intermediate English Coursebook in Saudi Arabia. Deanship of Higher Studies, College of Arts,Language Department, College of Arts, King Saud University, 2007.