@book{110303,
	author = {University of Puerto Rico Rio Piedras campus and Rodriguez Bou, Ismael and Puerto Rico.},
	title = {Apuntaciones gramaticales},
	publisher = {Universidad de Puerto Rico},
	year = {1958},
	series = {Publicaciones pedagógicas. Serie 2},
	address = {Río Piedras, P.R.},
	edition = {3a ed. rev.}
}