Manual of travel agency practice 
Syratt, Gwenda. 
 -  Elsevier Butterworth Heinemann.  2003 
 - xii, 227 pages 
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<br/><br/><label>ISBN: </label>0-7506-5689-1 
<br/><br/><label>Dewey Class. No.: </label>910.68 Sy8m 2003