A Guide to the project management body of knowlege / 
Project Management Institute. 
 - 4th ed. 
 - Newtown Square, Pennsylvania :  PMI,  2008. 
 - xxvi, 467  p. 
<br/><br/><label>ISBN: </label>1933890517 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Project management.