Carlsen, M., Erfjord, I., & Hundeland, P. S. (2020). Mathematics Education in the Early Years. Springer International Publishing.
استشهاد بنمط شيكاغوCarlsen, Martin, Ingvald Erfjord, و Per Sigurd Hundeland. Mathematics Education in the Early Years. Springer International Publishing, 2020.
MLA استشهادCarlsen, Martin, Ingvald Erfjord, و Per Sigurd Hundeland. Mathematics Education in the Early Years. Springer International Publishing, 2020.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.