@book{256421,
	author = {Ward, John A},
	title = {Development across the life span: Study guide},
	publisher = {Pearson/Prentice Hall,},
	year = {2006.},
	address = {Upper Saddle River, N.J. :},
	edition = {4th ed.},
	url = {http://www.loc.gov/catdir/toc/ecip054/2004028643.html}
}