Georgacarakos, G. N. <br/><br/>
Elementary formal logic / 
G. N. Georgacarakos, Robin Smith. 
 - New York :  McGraw-Hill,  c1979. 
 - xiv, 401 p. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>007023051X 
<br/><br/><label>LCCN: </label>78-016151 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic.