Siti Norita bt Salikin. (1998). Effectiveness of professional development program in the teaching profession: A study on secondary school teachers in Keramat zone. Management Center, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Siti Norita bt Salikin. Effectiveness of Professional Development Program in the Teaching Profession: A Study on Secondary School Teachers in Keramat Zone. Gombak: Management Center, International Islamic University Malaysia, 1998.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Siti Norita bt Salikin. Effectiveness of Professional Development Program in the Teaching Profession: A Study on Secondary School Teachers in Keramat Zone. Management Center, International Islamic University Malaysia, 1998.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.