Najai, M. A., & O-neill, W. F. (1987). Leadership behavior of secondary school principals and teacher morale in Southern Saudi Arabia. University of Southern California.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Najai, Mohammed A., و William F. O-neill. Leadership Behavior of Secondary School Principals and Teacher Morale in Southern Saudi Arabia. California: University of Southern California, 1987.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Najai, Mohammed A., و William F. O-neill. Leadership Behavior of Secondary School Principals and Teacher Morale in Southern Saudi Arabia. University of Southern California, 1987.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.