De Leon, Hector S. <br/><br/>
Student's manual on the Constitution / 
Hector S. De Leon and Hector M. De Leon, Jr. 
 - 6th ed. 
 - Quezon City :  REX Book Store,  2010. 
 - 363 p. ; 22 cm 
<br/><br/><label>ISBN: </label>9789712346279 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Philippines--Constitutional law<br/>Philippines--Constitution--Handbooks, manuals, etc.