ebrary, Inc, Duyer, I., & Normore, A. H. (2012). Discretionary behavior and performance in educational organizations: The missing link in educational leadership and management. Emerald Group Pub. Ltd..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)ebrary, Inc, Ibrahim Duyer, و Anthony H. Normore. Discretionary Behavior and Performance in Educational Organizations: The Missing Link in Educational Leadership and Management. Bingley [England]: Emerald Group Pub. Ltd., 2012.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)ebrary, Inc, et al. Discretionary Behavior and Performance in Educational Organizations: The Missing Link in Educational Leadership and Management. Emerald Group Pub. Ltd., 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.