@book{6708,
	author = {Roberts, Joanne Erwick,},
	title = {Speech & language development & intervention in Down syndrome & fragile X syndrome /},
	publisher = {Paul H. Brookes Pub.,},
	year = {c2008.},
	series = {Communication and language intervention series},
	address = {Baltimore :},
	url = {http://www.loc.gov/catdir/toc/ecip0714/2007012612.html}
}