Mathematical Association of America. Committee on the Mathematical Education of Teachers & Leitzel, J. R. C. (1991). A call for change: Recommendations for the mathematical preparation of teachers of mathematics. Mathematical Association of America.
Style de citation Chicago (17e éd.)Mathematical Association of America. Committee on the Mathematical Education of Teachers et James R. C. Leitzel. A Call for Change: Recommendations for the Mathematical Preparation of Teachers of Mathematics. Washington, D.C.: Mathematical Association of America, 1991.
Style de citation MLA (8e éd.)Mathematical Association of America. Committee on the Mathematical Education of Teachers et James R. C. Leitzel. A Call for Change: Recommendations for the Mathematical Preparation of Teachers of Mathematics. Mathematical Association of America, 1991.