Casayuran, M. B. (2023). Enrile: Restrictive economic provisions of 1987 Constitution 'antiquated'. Manila Bulletin.
Chicago-viite (17. p.)Casayuran, Mario B. "Enrile: Restrictive Economic Provisions of 1987 Constitution 'Antiquated'." Manila Bulletin 2023.
MLA-viite (9. p.)Casayuran, Mario B. "Enrile: Restrictive Economic Provisions of 1987 Constitution 'Antiquated'." Manila Bulletin, 2023.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.