Bradley, R., Danielson, L. C., & Hallahan, D. P. (2002). Identification of learning disabilities: Research to practice. L. Erlbaum Publishers.
Dyfyniad Arddull ChicagoBradley, Renee, Louis C. Danielson, and Daniel P. Hallahan. Identification of Learning Disabilities: Research to Practice. Mahwah, N.J.: L. Erlbaum Publishers, 2002.
Dyfyniad MLABradley, Renee, et al. Identification of Learning Disabilities: Research to Practice. L. Erlbaum Publishers, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.