Fogelin, Robert J. <br/><br/>
Understanding arguments  an introduction to informal logic /  [Book] : 
Robert J. Fogelin, Walter Sinnott-Armstrong. 
 - 6th ed. 
 - Fort Worth, TX :  Harcourt College Publishers,  c2001. 
 - xv, 582p. :  ill. ;  24 cm. 
<br/><br/> All. 
<br/><br/><label>ISBN: </label>0155075489 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic.
<br/><br/><label>Dewey Class. No.: </label>168