@book{28961,
	author = {Thomson, A. J. and Martinet, A. V.},
	title = {A practical english grammar :},
	publisher = {Oxford University Press,},
	year = {1965.},
	address = {London :},
	edition = {1st reimpr. ed.},
	note = {"Una gramática práctica de inglés para estudiantes extranjeros".}
}