@book{97567,
	author = {Roca-Pons, Josep.},
	title = {Introducción a la gramática},
	publisher = {Teide},
	year = {1974.},
	series = {Obras básicas de formación cultural.},
	address = {Barcelona},
	edition = {3. ed., actualizada y ampliada.},
	note = {Includes bibliographies and index.}
}