एपीए उद्धरण

Carlsen, M., Erfjord, I., & Hundeland, P. S. (2020). Mathematics Education in the Early Years. Springer International Publishing.

शिकागो स्टाइल उद्धरण

Carlsen, Martin, Ingvald Erfjord, और Per Sigurd Hundeland. Mathematics Education in the Early Years. Springer International Publishing, 2020.

एमएलए उद्धरण

Carlsen, Martin, Ingvald Erfjord, और Per Sigurd Hundeland. Mathematics Education in the Early Years. Springer International Publishing, 2020.