Biber, Douglas Longman student grammar of spoken and written english / Douglas Biber, Susan Conrad, Geoffrey Leech. - 1ª ed. - Harlow : Longman, 2010. - 487 p. ; 24 cm. ISBN: 978-0-582-23727-8 Subjects--Topical Terms: INGLESDISCURSOENSENANZA DE IDIOMASLENGUAGRAMATICAESCRITURALECTURA Subjects--Index Terms: IDIOMA LENGUAJE VERBO FICHERO-GRAMÁTICA INGLESA Universal Decimal Class. No.: 81=111 B581