@book{2568,
	author = {Tabachnick, Barbara G. and Fidell, Linda S.},
	title = {Using multivariate statistics / },
	publisher = {Pearson,},
	year = {c2014.},
	address = {Harlow :},
	edition = {6th ed., Pearson new internat. ed.},
	note = {Includes index. }
}