@book{8984,
	author = {Sadler, Thomas W. and Sadler-Redmond, Susan L,},
	title = {Langman :},
	publisher = {Wolters Kluwer,},
	year = {2010.},
	address = {Philadelphia :},
	edition = {11a ed.},
	note = {Incluye índices y apéndice.}
}