@book{850,
	author = {COHEN, BRUCE J. and HARRISON, MADELYN M.},
	title = {TEORIA Y PROBLEMAS DE INTRODUCCION A LA  SOCIOLOGIA/ },
	publisher = {MCGRAW-HILL},
	year = {1979},
	series = {SER. DE COMPENDIOS SCHAUM},
	address = {MEXICO: },
	note = {INCLUYE INDICE.}
}