Witzel, B. S., & Little, M. E. (2016). Teaching elementary mathematics to struggling learners. The Guilford Press.
Lua i Stíl Chicago (17ú heag.)Witzel, Bradley S., agus Mary E. Little. Teaching Elementary Mathematics to Struggling Learners. New York, London: The Guilford Press, 2016.
Lua MLA (9ú heag.)Witzel, Bradley S., agus Mary E. Little. Teaching Elementary Mathematics to Struggling Learners. The Guilford Press, 2016.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.