Normal Development: 18 Months Old: References

Important Milestones: Your Child at Eighteen Months. Centers for Disease Control and Prevention. https://www.cdc.gov/ncbddd/actearly/milestones/milestones-18mo.html. Page last reviewed on 3/27/2014. Retrieved 4/21/2015.

Bright Futures Pocket Guide, 3rd Edition. Edited by Joseph F. Hagan Jr. MD, FAAP; Judith S. Shaw, RN, MPH, EdD; and Paula Duncan, MD, FAAP. American Academy of Pediatrics. Accessed from http://brightfutures.aap.org/pdfs/BF3%20pocket%20guide_final.pdf