@book {Tabachnick2007,
	title = {Using Multivariate Statistics},
	year = {2007},
	pages = {XXVIII, 980 p. : ill.},
	publisher = {Pearson/A \& B},
	organization = {Pearson/A \& B},
	edition = {7},
	address = {Boston ; Montreal},
	issn = {9780205459384},
	author = {Tabachnick, Barbara G and Fidell, Linda S}
}
