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.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHaylock, Derek, और 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.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHaylock, Derek, और 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.
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