Cita APA (7th ed.)

Clements, D. H., & Sarama, J. Engaging young children in mathematics standards for early childhood mathematics education.

Cita Chicago (17th ed.)

Clements, Douglas H., i Julie Sarama. Engaging Young Children in Mathematics Standards for Early Childhood Mathematics Education.

Cita MLA (8th ed.)

Clements, Douglas H., i Julie Sarama. Engaging Young Children in Mathematics Standards for Early Childhood Mathematics Education.

Atenció: Aquestes cites poden no estar 100% correctes.