Cita APA

Brueckner, L. J., & Grossnickle, F. E. (1953). Making Arithmetic meaningful.

Chicago Edition Citation

Brueckner, Leo J., i Foster E. Grossnickle. Making Arithmetic Meaningful. 1953.

Cita MLA

Brueckner, Leo J., i Foster E. Grossnickle. Making Arithmetic Meaningful. 1953.