APA (7e ed.) Bronvermelding

Haylock, D., & Cockburn, A. (2003). Understanding mathematics in the lower primary years: A guide for teachers of children 3-8 (Second edition.). Paul Chapman Pub. ; Sage Publications.

Chicago (17e ed.) Bronvermelding

Haylock, Derek, en Anne Cockburn. Understanding Mathematics in the Lower Primary Years: A Guide for Teachers of Children 3-8. Second edition. London : Thousand Oaks, Calif.: Paul Chapman Pub. ; Sage Publications, 2003.

MLA (8e ed.) Bronvermelding

Haylock, Derek, en Anne Cockburn. Understanding Mathematics in the Lower Primary Years: A Guide for Teachers of Children 3-8. Second edition. Paul Chapman Pub. ; Sage Publications, 2003.