APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.