@book{1922,
	author = {Covey, Stephen R. and Covey Leadership Center.},
	title = {Los 7 hábitos de la gente altamente efectiva :},
	publisher = {Paidós,},
	year = {2003.},
	address = {Buenos Aires :},
	url = {https://isae.metabiblioteca.org/cgi-bin/koha/opac-retrieve-file.pl?id=7d588452dfc00447cd5c0d47e177e8af}
}