@book{21407,
	author = {Goode, William J. and Hatt, Paul K.},
	title = {Métodos de investigación social /},
	publisher = {Trillas,},
	year = {1980.},
	address = {México, D. F. :},
	edition = {11a reimp.},
	note = {Incluye índice analítico.}
}