@book{9119,
	author = {Parke, Ross D. and Gauvain, Mary.},
	title = {Child psychology: a contemporary viewpoint. /},
	publisher = {McGraw Hill,},
	year = {2009.},
	address = {Boston:},
	edition = {7th ed.},
	url = {http://www.loc.gov/catdir/toc/ecip0814/2008012737.html}
}