Παραπομπή σε μορφή APA (7η εκδ.)

(1994). Mathematics teaching in the middle school. National Council of Teachers of Mathematics.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Mathematics Teaching in the Middle School. Reston, VA: National Council of Teachers of Mathematics, 1994.

Παραπομπή σε μορφή MLA (9th εκδ.)

Mathematics Teaching in the Middle School. National Council of Teachers of Mathematics, 1994.