Cita APA (7th ed.)

De Leon, H. S., & De Leon, H. M. J. (2017). Philippine constitutional law: Principles and cases (Sixth edition.). Published & distributed by Rex Book Store.

Cita Chicago (17th ed.)

De Leon, Hector S., i Hector M. Jr De Leon. Philippine Constitutional Law: Principles and Cases. Sixth edition. Manila, Philippines: Published & distributed by Rex Book Store, 2017.

Cita MLA (9th ed.)

De Leon, Hector S., i Hector M. Jr De Leon. Philippine Constitutional Law: Principles and Cases. Sixth edition. Published & distributed by Rex Book Store, 2017.