De Leon, Hector S. <br/><br/>
Textbook on the Philippine Constitution / 
Hector S. De Leon. 
 - 2008 edition. 
 - Manila :  Rex Book Store Incorporation,  2008. 
 - 776 pages ;  22 cm. 
<br/><br/><label>ISBN: </label>9789712351044 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Constitutional law--Philippines.