Govier, Trudy. <br/><br/>
Practical study of argument. 

 - 3 
 - California  Wadsworth publishing company  1992 
 - xiii,433 
<br/><br/><label>ISBN: </label>0534147127 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic(160)
<br/><br/><label>Dewey Class. No.: </label>168 GOVT