APA-Zitierstil (7. Ausg.)

Não informado. (1994). Mathematics Teaching in the Middle School. National Council of Teachers of Mathematics.

Chicago-Zitierstil (17. Ausg.)

Não informado. Mathematics Teaching in the Middle School. Reston, Va: National Council of Teachers of Mathematics, 1994.

MLA-Zitierstil (8. Ausg.)

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

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.