Karnaen, A. (2010). The degree of teacher-leader practice among teachers at Pondok Modern Darussalam Gontor Indonesia. Institute of Education, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Karnaen, Abdul. The Degree of Teacher-leader Practice Among Teachers at Pondok Modern Darussalam Gontor Indonesia. Gombak, Selangor: Institute of Education, International Islamic University Malaysia, 2010.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Karnaen, Abdul. The Degree of Teacher-leader Practice Among Teachers at Pondok Modern Darussalam Gontor Indonesia. Institute of Education, International Islamic University Malaysia, 2010.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.