Hewings, Martin Advanced grammar in use a self-study reference and practice book for advanced learners of English : with answers // Martin Hewings. - 1st. ed. - Cambridge, Eng. ; New York Cambridge University Press 1999 - ix, 340 p. il. 25 cm. Incluye índice. ISBN: 0521498686 Subjects--Topical Terms: Inglés--Gramática Subjects--Geographic Terms: Inglés--Textos para extranjeros LC Class. No.: PE1128 .A2 / H4 2000