Murphy, Raymond English grammar in use : a self-study reference and practice book for intermediate students : with answers / Test your english Raymond Murphy. - 2nd ed., twentieth printing. - Cambridge : Cambridge University Press, 2003 - x, 350 p. : il. + 1 CD ROM Temas-Términos Temáticos: EnseñanzaInglesGramáticas Clasificación de Dewey: 425|CD / M 982|301