APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

Wright, Robert J., Jim Martland, en Ann K. Stafford. Early Numeracy: Assessment for Teaching and Intervention. 2nd ed. London: P. Chapman, 2006.

MLA (9e ed.) Bronvermelding

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