Παραπομπή σε μορφή APA (7η εκδ.)

Reys, R. E., Lindquist, M. M., & Suydam, M. N. (1989). Helping children learn mathematics (2nd ed.). Prentice Hall.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Reys, Robert E., Mary Montgomery Lindquist, και Marilyn N. Suydam. Helping Children Learn Mathematics. 2nd ed. Englewood Cliffs, N.J: Prentice Hall, 1989.

Παραπομπή σε μορφή MLA (9th εκδ.)

Reys, Robert E., et al. Helping Children Learn Mathematics. 2nd ed. Prentice Hall, 1989.