@book{21730,
	author = {Berger, Kathleen Stassen.},
	title = {The developing person through childhood /},
	publisher = {Worth Publishers,},
	year = {[2014]},
	address = {New York:, NY },
	edition = {6th ed,},
	url = {http://www.loc.gov/catdir/enhancements/fy1507/2014419280-t.html}
}