Walton, Douglas N.. <br/><br/>
Informal Logic: A handbook for Critical Argumentation /  Textual Documents 
Douglas N.Walton. 
 - 1st ed. / 
 - Cambridge :  Cambridge University Press ,  1989. 
 - xiii,291p. ;  22cm. 
<br/><br/>Index 
<br/><br/><label>Subjects--Index Terms: </label>Logic Reasoning G-Philosophy 
<br/><br/><label>Dewey Class. No.: </label>160  / Wa 173 In