Principles and ethics of tour guiding/ 
Zenaida Lansangan Cruz 
 - Updated edition 
 - Manila:  Rex Book Store,  2008. 
 - vii, 164 pages:  illustrations;  22 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9789712351006 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tour guiding
<br/><br/><label>LC Class. No.: </label>Fil. G 154.7 .C957 2008