Janney, R., Snell, M. E., & Elliot, J. (2000). Modifying schoolwork. P. H. Brookes Pub.
Cita Chicago Style (17a ed.)Janney, Rachel, Martha E. Snell, y Johnna Elliot. Modifying Schoolwork. Baltimore, Md: P. H. Brookes Pub, 2000.
Cita MLA (9a ed.)Janney, Rachel, et al. Modifying Schoolwork. P. H. Brookes Pub, 2000.
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