Normal Development: 18 to 20 Years Old: References

Stages of adolescence. healthychildren.org. American Academy of Pediatrics. http://www.healthychildren.org/English/ages-stages/teen/Pages/Stages-of-Adolescence.aspx. Updated November 21, 2015. Accessed April 15, 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 10, 2016.