@book{28678,
	author = {Silvestri, Adriana},
	title = {Discurso instruccional.},
	publisher = {UBA. Instituto de Lingüística,},
	year = {1995.},
	series = {Enciclopedia Semiológica / Elvira Narvaja de Arnoux, dir.},
	address = {Buenos Aires :}
}