Παραπομπή σε μορφή APA (7η εκδ.)

Wright, R. J., Martland, J., & Stafford, A. K. (2006). Early numeracy: Assessment for teaching and intervention (2nd ed.). Paul Chapman Publishing.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Wright, Robert J., Jim Martland, και Ann K. Stafford. Early Numeracy: Assessment for Teaching and Intervention. 2nd ed. [London; Thousand Oaks]: Paul Chapman Publishing, 2006.

Παραπομπή σε μορφή MLA (9th εκδ.)

Wright, Robert J., et al. Early Numeracy: Assessment for Teaching and Intervention. 2nd ed. Paul Chapman Publishing, 2006.