Wright, R. J., Stanger, G., Stafford, A. K., & Martland, J. Teaching number in the classroom with a-8 year-olds.
Citazione stile Chigago Style (17a edizione)Wright, Robert J., Garry Stanger, Ann K. Stafford, e James Martland. Teaching Number in the Classroom with A-8 Year-olds.
Citatione MLA (8a ed.)Wright, Robert J., et al. Teaching Number in the Classroom with A-8 Year-olds.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.