Cruz, Zenaida Lansangan. <br/><br/>
Principles and ethics of tour guiding / 
Zenaida Lansangan Cruz. 
 - Updated edition. 
 - vii, 164 pages :  illustration ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>978-971-23-5100-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tour guides (persons)--Handbooks, manuals, etc.<br/>Tourism--Handbooks, manual, etc.