OECD. (2020). Early Learning and Child Well-being: A Study of Five-year-Olds in England, Estonia, and the United States. OECD.
استشهاد بنمط شيكاغوOECD. Early Learning and Child Well-being: A Study of Five-year-Olds in England, Estonia, and the United States. OECD, 2020.
MLA استشهادOECD. Early Learning and Child Well-being: A Study of Five-year-Olds in England, Estonia, and the United States. OECD, 2020.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.