APA-referens (7:e uppl.)
Hewetson, A. (2005). Laughter and tears: A family's journey to understanding the autism spectrum. Jessica Kingsley Publishers.
Chicago-referens (17:e uppl.)
Hewetson, Ann. Laughter and Tears: A Family's Journey to Understanding the Autism Spectrum. Philadelphia: Jessica Kingsley Publishers, 2005.
MLA-referens (9:e uppl.)
Hewetson, Ann. Laughter and Tears: A Family's Journey to Understanding the Autism Spectrum. Jessica Kingsley Publishers, 2005.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.