Davidoff, Philip G. <br/><br/>
Air fares and ticketing 

 - 3rd ed. 
 - Englewood Cliffs, N.J. :  Prentice Hall,  1995 
 - 273 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>AIRLINES--UNITED STATES--RATES<br/>AIRLINES--UNITED STATES--RESERVATION SYSTEMS
<br/><br/><label>LC Class. No.: </label>HE9787.5 .U6  / D384A 1995