Sullivan, William G. <br/><br/>
Engineering economy / 
William G. Sullivan, Elin M. Wicks, C. Patrick Koelling 
 - 15th ed. 
 - Boston :  Prentice Hall,  c2012 
 - xx, 638 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780132554909 0132554909 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering economy