Student's manual on the constitution / by Hector S. De Leon and Hector M. De Leon, Jr. - 2010 edition - Manila : Rex Bookstore, [date of publication not identified]. copyright 2010 - 364 pages ; 22 cm
Includes bibliographical references.
De Leon, H. S. and De Leon, H. M., Jr. (2010). Student's manual on the constitution. Manila: Rex Book Store.