Sinnott-Armstrong, Walter,  1955- <br/><br/>
Understanding arguments :  an introduction to informal logic / 
Walter sinnott-Armstrong, Robert Fogelin. 
 - 8th ed. 
 - Belmont, CA :  Wadsworth,  c2010. 
 - xvi, 560 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references (p. 543-544) and index. 
<br/><br/><label>ISBN: </label>0495603953  (pbk.) 9780495603955 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic.
<br/><br/><label>Dewey Class. No.: </label>168  / FOG