Heydorn, Wendy.,  author. <br/><br/>
Theory of knowledge for the IB Diploma Course Guide/ 
Wendy Heydorn & Susan Jesudason from origional material by Richard van de Lagemaat. 
 - Third edition. 
 - Cambridge :  Cambridge University Press,   [20??]. 
 - x, 684 pages :  illustrations (chiefly colour) ;  28 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9781108865982 (paperback) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Knowledge, Theory of.