SILBERBERG, Barrie. The Autism and ADHD Diet: A Step-by-Step Guide to Hope and Healing by Living Gluten Free and Casein Free (GFCF) and Other Interventions. [s.l.] : Sourcebooks, Inc., 2009. Dostupné online.ISBN 978-1-4022-1845-3. S. 119.
FLEMING, Alisa Marie. Go Dairy Free: The Guide and Cookbook for Milk Allergies, Lactose Intolerance, and Casein-free Living. [s.l.] : Go Dairy Free, 2008. Dostupné online.ISBN 978-0-9791286-2-2. S. 90.
Eric Hollander; Daphne Simeon. Concise Guide to Anxiety Disorders. [s.l.] : American Psychiatric Pub, 2003. Dostupné online.ISBN 978-1-58562-080-7. S. 1.