Witzel, B. S., & Little, M. E. (2016). Teaching elementary mathematics to struggling learners. The Guilford Press.
Citazione stile Chigago Style (17a edizione)Witzel, Bradley S., e Mary E. Little. Teaching Elementary Mathematics to Struggling Learners. New York, London: The Guilford Press, 2016.
Citatione MLA (9a ed.)Witzel, Bradley S., e Mary E. Little. Teaching Elementary Mathematics to Struggling Learners. The Guilford Press, 2016.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.