Govier, Trudy. A practical study of argument / Trudy Govier. - 7th ed. - Belmont, CA : Cengage Learning, 2010. - xiii, 417 p. ; 24 cm. Includes index. ISBN: 1439035768 LCCN: 2008942954 Subjects--Topical Terms: Arguments.Logic. Dewey Class. No.: 168