Gaya APA

Keith, H, E, K, D, K, D. (2013). Intellectual Disability; ethics, dehumanization and a new moral community . United State of America: John Wiley & Sons, Inc..

Gaya MLA

Keith, Heather, E., Keith, Dan, Kenneth, D.. "Intellectual Disability; ethics, dehumanization and a new moral community". United State of America: John Wiley & Sons, Inc., 2013. Text.