Salmon, Merrilee H. <br/><br/>
Introduction to logic and critical thinking / 
Merrilee H. Salmon. 
 - 6th ed. 
 - Boston, Mass. :  Wadsworth,  c2013. 
 - xix, 501 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>1133049753 9781133049753  RM478.78 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic.<br/>Reasoning.