@book{45070,
	author = {Sobel, Andrew, and Panas, Jerold.},
	title = {Power questions :},
	publisher = {Wiley,},
	year = {c2012.},
	address = {Hoboken,  N.J. :},
	url = {http://catalogimages.wiley.com/images/db/jimages/9781118119631.jpg}
}