De Leon, Hector S. <br/><br/>
Textbook on the Philippine Constitution / 
by Hector S. de Leon. 
 - Manila:  Rex Book Store,  c1991. 
 - xlix, 418 pages. 
<br/><br/><label>ISBN: </label>971230339X 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Philippines--Constitution.
<br/><br/><label>Dewey Class. No.: </label>342.599023