@book{9733,
	author = {Vasta, Ross. and Haith, Marshall M.,},
	title = {Child psychology :},
	publisher = {Wiley,},
	year = {c1999.},
	address = {New York :},
	edition = {3rd ed.},
	url = {http://www.loc.gov/catdir/bios/wiley044/98035491.html}
}