Harry J Gensler <br/><br/>
Introduction to logic/ 
by Harry J Gensler 
 - 3rd  
 - Newyork:  Routledge,  2010. 
 - 414p. 
<br/><br/><label>ISBN: </label>9781138910591 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic<br/>Philosophy
<br/><br/><label>Dewey Class. No.: </label>160  / HAR/I