Mill, Robert Christie. <br/><br/>
The Tourism system :  an introductory text / 
Robert Christie Mill, Alastair M. Morrison. 
 - Englewood Cliffs, N. J. :  Prentice-Hall International,  1992. 
 - 506 p. :  ill. ;  24 cm. 2nd ed. 
<br/><br/><label>ISBN: </label>0139280944 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tourist trade.