@book{11915,
	author = {Bluman, Allan G.},
	title = {Elementary statistics :},
	publisher = {McGraw-Hill Higher Education,},
	year = {c2009.},
	address = {New York :},
	edition = {7th ed.},
	url = {http://www.loc.gov/catdir/toc/ecip0823/2008030803.html}
}