Dyfyniad APA
ebrary, Inc, Giordano, A. C., & Lombardi, V. A. (2009). Causes and risks for autism. Nova Biomedical Books.
Dyfyniad Arddull Chicago
ebrary, Inc, Alessia C. Giordano, and Viola A. Lombardi. Causes and Risks for Autism. New York: Nova Biomedical Books, 2009.
Dyfyniad MLA
ebrary, Inc, et al. Causes and Risks for Autism. Nova Biomedical Books, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.