Παραπομπή σε μορφή APA (7η εκδ.)

Witzel, B. S., & Little, M. E. (2016). Teaching elementary mathematics to struggling learners. The Guilford Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Witzel, Bradley S., και Mary E. Little. Teaching Elementary Mathematics to Struggling Learners. New York, London: The Guilford Press, 2016.

Παραπομπή σε μορφή MLA (9th εκδ.)

Witzel, Bradley S., και Mary E. Little. Teaching Elementary Mathematics to Struggling Learners. The Guilford Press, 2016.