Bernstein, A. L., & Wells, D. W. (1963). Trouble shooting mathematics skills. Holt Rinchart&Winston.
Citación estilo ChicagoBernstein, Allen L., and David W. Wells. Trouble Shooting Mathematics Skills. N Y: Holt Rinchart&Winston, 1963.
Cita MLABernstein, Allen L., and David W. Wells. Trouble Shooting Mathematics Skills. Holt Rinchart&Winston, 1963.
Warning: These citations may not always be 100% accurate.