Hewings, Ann Grammar and context : An advanced resource book / Ann Hewings, Martin Hewings. - Maryland : Routledge, 2005 - xx, 339 p. : il. ; 26 cm. - Routledge applied linguistics. . Incluye bibliografía, glosario e índice ISBN: 0415310814 Subjects--Topical Terms: Gramática --Lingüística LC Class. No.: P201 / H49 2005