Beckmann, S. (2008). Activities to accompany: Mathematics for elementary teachers (2a. ed.). Pearson Education.
Citación estilo ChicagoBeckmann, Sybilla. Activities to Accompany: Mathematics for Elementary Teachers. 2a. ed. Boston: Pearson Education, 2008.
Cita MLABeckmann, Sybilla. Activities to Accompany: Mathematics for Elementary Teachers. 2a. ed. Pearson Education, 2008.
Warning: These citations may not always be 100% accurate.