De Leon, H. S. (2012). Philippine constitutional law: Principles and cases (5th ed.). Rex Book Store.
Chicago Style (17. basım) AtıfDe Leon, Hector S. Philippine Constitutional Law: Principles and Cases. 5th ed. Manila: Rex Book Store, 2012.
MLA (9th ed.) AtıfDe Leon, Hector S. Philippine Constitutional Law: Principles and Cases. 5th ed. Rex Book Store, 2012.
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