Maimon, Elaine P. A writers resource : a handbook for writing and research - 2ª ed. - United States : Mcgraw-Hill, 2007 - 670 p. ISBN: 978-0-07-296209-3 Subjects--Topical Terms: INGLES-RETORICAINGLES-GRAMÁTICA Dewey Class. No.: 808.042 / M223w