Santiago, R. (2010). Annual celebration of Constitution Day. Manila Bulletin.
Cita Chicago (17th ed.)Santiago, Roni. "Annual Celebration of Constitution Day." Manila Bulletin 2010.
Cita MLA (9th ed.)Santiago, Roni. "Annual Celebration of Constitution Day." Manila Bulletin, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.