Wright, R. J., Martland, J., Stafford, A. K., & Stanger, G. (2006). Teaching number in the classroom with 4-8 year olds. Paul Chapman Pub..
Chicago Style (17. basım) AtıfWright, Robert J., Jim Martland, Ann K. Stafford, ve Garry Stanger. Teaching Number in the Classroom with 4-8 Year Olds. London ; Thousand Oaks, Calif.: Paul Chapman Pub., 2006.
MLA (8th ed.) AtıfWright, Robert J., et al. Teaching Number in the Classroom with 4-8 Year Olds. Paul Chapman Pub., 2006.
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