@book{245204,
	author = {Littleton, Lynna Y. and Engebretson, Joan.},
	title = {Maternity nursing care},
	publisher = {Delmar, Cengage Learning,},
	year = {c2013.},
	address = {Clifton Park, NY :},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy1303/2011942529-b.html}
}