Hoffman, R. L. (1997). The natural approach to attention deficit disorder (ADD): Drug-free ways to treat the roots of this childhood epidemic. Keats Pub..
Citación estilo ChicagoHoffman, Ronald L. The Natural Approach to Attention Deficit Disorder (ADD): Drug-free Ways to Treat the Roots of This Childhood Epidemic. New Canaan, Conn.: Keats Pub., 1997.
Cita MLAHoffman, Ronald L. The Natural Approach to Attention Deficit Disorder (ADD): Drug-free Ways to Treat the Roots of This Childhood Epidemic. Keats Pub., 1997.
Warning: These citations may not always be 100% accurate.