Fuchs, Marjorie, Focus on grammar : An intermediate course for reference and practice / Marjorie Fuchs.... - 2nd ed. - White Plains, NY : Longman, c2000. - xvi, 415 p. ; ill. : ISBN: 0201346826 LCCN: 99023208 Subjects--Topical Terms: Grammar LC Class. No.: PE1128 / .F794 2000