Sullivan, William G.  Wicks, Elin M. <br/><br/>
Engineering Economy, 15th Ed 
William G. Sullivan 
 - 15 
 - Boston  Pearson Prentice hall  2012 
 - xx, 668 p.  origional copy 
<br/><br/> IE Reference Book 
<br/><br/>AHQ Books 
<br/><br/><label>ISBN: </label>9780132554909 
<br/><br/><label>Subjects--Personal Names: </label><br/>Koelling, C. Patric
<br/><br/><label>Dewey Class. No.: </label>658.15 SUL