Noorizan bt. Baba. (2009). Beginning pre-school at 4 years old: An analysis of parents' and educators' views. Institute of Education, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Noorizan bt. Baba. Beginning Pre-school at 4 Years Old: An Analysis of Parents' and Educators' Views. Gombak, Selangor: Institute of Education, International Islamic University Malaysia, 2009.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Noorizan bt. Baba. Beginning Pre-school at 4 Years Old: An Analysis of Parents' and Educators' Views. Institute of Education, International Islamic University Malaysia, 2009.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.