1. ASHA. (2004).Preferred practice patterns for the profession of speech‐language pathology. [Preferred Practice Patterns]. Available atwww.asha.org/policy.
2. ASHA. (2005).Evidence‐based practice in communication disorders [Position Statement]. Retrieved 15 January 2014 fromwww.asha.org/policy/PS2005‐00221.htm
3. ASHA(2007).Childhood Apraxia of Speech [Technical Report]. Retrieved 15 January 2014 fromwww.asha.org/docs/html/TR2007‐00278.html
4. Intervention Efficacy and Intensity for Children With Speech Sound Disorder