@book{26519,
	author = {Taylor, S. J. and Bogdan, R.},
	title = {Introducción a los métodos cualitativos de investigación :},
	publisher = {Paidós,},
	year = {1990.},
	series = {Paidós Studio/Basica ;},
	address = {Buenos Aires :},
	edition = {1a ed.}
}