Leech, Geoffrey . A Communicative Grammer of English / Textual Documents Geoffrey Leech, Jan Svartvik. - 2nd ed. / - London : Longman , 1994. - xiv, 423p. : ill. ; 22cm . Index ISBN: 81-7808-124-5 Subjects--Index Terms: English-Language Grammar,English Dewey Class. No.: 420 / Le 51 Co 425 / Le 51 Co