Chall, J. S., Jacobs, V. A., & Baldwin, L. E. (1990). The reading crisis: Why poor children fall behind. Harvard University Press.
Cita Chicago Style (17a ed.)Chall, Jeanne S., Vicki A. Jacobs, y Luke E. Baldwin. The Reading Crisis: Why Poor Children Fall Behind. Cambridge [Mass.]: Harvard University Press, 1990.
Cita MLA (9a ed.)Chall, Jeanne S., et al. The Reading Crisis: Why Poor Children Fall Behind. Harvard University Press, 1990.
Precaución: Estas citas no son 100% exactas.