Não informado. (1994). Mathematics Teaching in the Middle School. National Council of Teachers of Mathematics.
Čikaški stil citiranja (17. izdanje)Não informado. Mathematics Teaching in the Middle School. Reston, Va: National Council of Teachers of Mathematics, 1994.
MLA način citiranja (8. izdanje)Não informado. Mathematics Teaching in the Middle School. National Council of Teachers of Mathematics, 1994.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.