Cita APA (7a ed.)
Baur, G. R., & Olsen George, L. (1976). Helping children learn mathematics: A competency-based laboratory approach.
Cita estilo Chicago (17a ed.)
Baur, Gregory R., y Linda Olsen George. Helping Children Learn Mathematics: A Competency-based Laboratory Approach. 1976.
Cita MLA (9a ed.)
Baur, Gregory R., y Linda Olsen George. Helping Children Learn Mathematics: A Competency-based Laboratory Approach. 1976.
Precaución: Estas citas no son 100% exactas.