@book{9056,
	author = {Hoyer, William J. and Rybash, John M.},
	title = {Adult development and aging /},
	publisher = {McGraw-Hill College,},
	year = {c1999.},
	address = {Boston :},
	edition = {4th edition},
	url = {http://www.loc.gov/catdir/bios/mh042/98041408.html}
}