Det er lurt å spørre om Asperger syndrom og høytfungerende autisme Gerland, Gunilla Heftet / 2001 / Bokmål
Secrets to Success for Professionals in the Autism Field An Insider's Guide to Understanding the Autism Spectrum, the Environment and Your Role Gerland Gunilla Heftet / 2012 / Engelsk
Finding Out About Asperger Syndrome, High-Functioning Autism and PDD Gerland Gunilla Heftet / 2000 / Engelsk