@book{3027,
	author = {Roca-Pons, Josep, and Badia i Margarit, Antoni M.},
	title = {Introducción a la gramática /},
	publisher = {Teide,},
	year = {1970},
	series = {Obras básicas de formación cultural},
	address = {Barcelona :},
	edition = {2ª ed., cor. i actualitzada},
	note = {Reimpressions: 1971, 1973}
}