@book{5223,
	author = {Preppernau, Joan and Cox, Joyce},
	title = {Windows 7},
	publisher = {Bookman,},
	year = {2010.},
	series = {Passo a passo},
	address = {Porto Alegre:},
	note = {Acompanha CD-ROM.(Arquivos de exercícios e eBook).}
}