http://vkc.mc.vanderbilt.edu/yoder/mccathren-r-yoder-p-j–2.pdf
http://jslhr.pubs.asha.org/article.aspx?articleid=1778917
http://www.researchgate.net/publication/249834462_Parent-Child_Book_Reading_as_an_Intervention_Technique_for_Young_Children_with_Language_Delays
http://www.igdi.ku.edu/interventions/Promoting_Communication_rev3-19-09.pdf
http://nceln.fpg.unc.edu/sites/nceln.fpg.unc.edu/files/resources/Language Facilitation Strategies.pdf
