Govier, Trudy. <br/><br/>
A practical study of argument / 
Trudy Govier. 
 - 7th ed. 
 - Belmont, CA :  Cengage Learning,  2010 
 - xiii, 417 p. ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780495603405 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reasoning.<br/>Logic.
<br/><br/><label>Dewey Class. No.: </label>168