Normal Development: 8 Years Old: References

Centers for Disease Control and Prevention. Child Development. Middle childhood (6-8 years of age). http://www.cdc.gov/ncbddd/childdevelopment/positiveparenting/middle.html. Updated March 15, 2016. Accessed April 13, 2016.

Hagan J, Shaw J, Duncan P, Eds. Bright Futures Pocket Guide, 3rd ed. American Academy of Pediatrics. http://brightfutures.aap.org/pdfs/BF3%20pocket%20guide_final.pdf. 2011. Accessed April 13, 2016.