De Leon, Hector S. <br/><br/>
Textbook on the Philippine constitution / 
Hector S. De Leon. 
 - revised edition. 
 - Manila :  Rex Book Store,  1999. 
 - 509 pages ;  25 cm. 
<br/><br/><label>ISBN: </label>9712326683 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Constitution--Philippines.