@book{202942,
	author = {Levine, Gustav. and Page, Melanie C.},
	title = {Levine's guide to SPSS for analysis of variance},
	publisher = {L. Erlbaum},
	year = {2003.},
	address = {Mahwah, N.J.},
	edition = {2nd ed.},
	note = {Rev. ed. of: A guide to SPSS for analysis of variance. 1991.},
	url = {http://www.loc.gov/catdir/enhancements/fy0709/2003040883-d.html}
}