Gaya APA

Cuoco, A, A., Curcio, F, R. (2001). The roles of representation in school mathematics: 2001 yearbook . Virginia: The Nation Council of Teachers of Mathematics.

Gaya MLA

Cuoco, Albert, A.., Curcio, Frances, R.. "The roles of representation in school mathematics: 2001 yearbook". Virginia: The Nation Council of Teachers of Mathematics, 2001. Text.