Παραπομπή σε μορφή APA (7η εκδ.)

Clements, D. H., & Sarama, J. (2004). Engaging young children in mathematics: Standards for early childhood mathematics education. Lawrence Erlbaum.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Clements, Douglas H., και Julie Sarama. Engaging Young Children in Mathematics: Standards for Early Childhood Mathematics Education. Mahwah, New Jersey: Lawrence Erlbaum, 2004.

Παραπομπή σε μορφή MLA (9th εκδ.)

Clements, Douglas H., και Julie Sarama. Engaging Young Children in Mathematics: Standards for Early Childhood Mathematics Education. Lawrence Erlbaum, 2004.