Davidoff, Philip G. <br/><br/>
Air Fares and Ticketing / 
Philip G. Davidoff and Doris S. Davidoff 
 - 3rd ed. 
<br/><br/> College of Business and Accountancy  Bachelor of Science in Tourism Management 
<br/><br/><label>ISBN: </label>0-13-324484-9 
<br/><br/><label>Dewey Class. No.: </label>384.742 D28