Norrish, John Language learners and their errors / John Norrish - 1a ed. - Londres : Macmillan Press, 1993 - 135 p. : il. ; 19 cm. - Essential language teaching series . Bibliografía, glosario e índice ISBN: 0333271807 Subjects--Topical Terms: Lenguaje y lenguas LC Class. No.: P53 / N67 1993