Contreras, V. (2003). US Secret Service points gun at Malacanang official. Philippine Daily Inquirer.
Cita Chicago (17th ed.)Contreras, Voltaire. "US Secret Service Points Gun at Malacanang Official." Philippine Daily Inquirer 2003.
Cita MLA (9th ed.)Contreras, Voltaire. "US Secret Service Points Gun at Malacanang Official." Philippine Daily Inquirer, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.