@book{4158,
	author = {Bluman, Allan G.},
	title = {Elementary statistics :},
	publisher = {McGraw-Hill/ Higher Education,},
	year = {c2007.},
	address = {Boston :},
	edition = {6th ed.},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/toc/ecip0617/2006024025.html}
}