Richards, S. B., & Brady, M. P. (2015). Cognitive and intellectual disabilities: Historical perspectives, current practices, and future directions (Second edition.). Routledge.
Chicago-Zitierstil (17. Ausg.)Richards, Stephen B., und Michael P. Brady. Cognitive and Intellectual Disabilities: Historical Perspectives, Current Practices, and Future Directions. Second edition. New York: Routledge, 2015.
MLA-Zitierstil (9. Ausg.)Richards, Stephen B., und Michael P. Brady. Cognitive and Intellectual Disabilities: Historical Perspectives, Current Practices, and Future Directions. Second edition. Routledge, 2015.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.