Andersson, M. (1999). The early childhood environment rating scale (ECERS) as a tool in evaluating and improving quality in preschools. Stockholm Institute of Education Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Andersson, Mona. The Early Childhood Environment Rating Scale (ECERS) as a Tool in Evaluating and Improving Quality in Preschools. Stockholm: Stockholm Institute of Education Press, 1999.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Andersson, Mona. The Early Childhood Environment Rating Scale (ECERS) as a Tool in Evaluating and Improving Quality in Preschools. Stockholm Institute of Education Press, 1999.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.