Cita APA (7th ed.)

Wright, R. J., Martland, J., & Stafford, A. K. (2000). Early numeracy: Assessment for teaching and intervention. Paul Chapman.

Cita Chicago (17th ed.)

Wright, Robert J., Jim Martland, i Ann K. Stafford. Early Numeracy: Assessment for Teaching and Intervention. London: Paul Chapman, 2000.

Cita MLA (9th ed.)

Wright, Robert J., et al. Early Numeracy: Assessment for Teaching and Intervention. Paul Chapman, 2000.