McDade HL, Frank EM. Language and speech assessment; Chapter 45 Pediatric Care OnLine. American Academy of Pediatrics Textbook of Pediatric Care, 2nd Edition. http://pediatriccare.solutions.aap.org/chapter.aspx?sectionid=56754555&bookid=1017.
Carter J, Musher K et al. Evaluation and treatment of speech and language disorders in children. http://www.uptodate.com/contents/evaluation-and-treatment-of-speech-and-language-disorders-in-children. Updated April 22, 2015. Accessed January 2016.
Dunst CJ, Jones T, Johnson M et al. Role of children’s interests in early literacy and language development. CELL Reviews 2011; Volume 4, Number 5.
Activities to encourage speech and language development. American Speech-Language Hearing Association. http://www.asha.org/public/speech/development/parent-stim-activities.htm. Accessed January 2016.
Child speech and language. American Speech-Language-Hearing Association (ASHA). http://www.asha.org/public/speech/disorders/ChildSandL.htm. Accessed January 2016.