Não informado. (1999). Autism: The international journal of research and practice. Sage Publications in Association With the National Autistic Society.
Citação do estilo Chicago (17ª ed.)Não informado. Autism: The International Journal of Research and Practice. London: Sage Publications in Association With the National Autistic Society, 1999.
Citação MLA (8ª ed.)Não informado. Autism: The International Journal of Research and Practice. Sage Publications in Association With the National Autistic Society, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.