Al-Ahmed, M. I. A. (2017). Mediating effect of attitude on competitive sports participation and academic achievement of university students in the Eastern Region of Saudi Arabia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Al-Ahmed, Mustafa Issa A. Mediating Effect of Attitude on Competitive Sports Participation and Academic Achievement of University Students in the Eastern Region of Saudi Arabia. 2017.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Al-Ahmed, Mustafa Issa A. Mediating Effect of Attitude on Competitive Sports Participation and Academic Achievement of University Students in the Eastern Region of Saudi Arabia. 2017.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.