@book{17375,
	author = {Acredolo, Linda P. and Goodwyn, Susan},
	title = {Baby signs},
	publisher = {McGraw-Hill,},
	year = {c2009},
	address = {New York :},
	edition = {Updated 3rd ed.},
	note = {Description based on print version record},
	url = {http://www.netlibrary.com  .libraryumpsa.idm.oclc.org/urlapi.asp?action=summary&v=1&bookid=269112}
}