Tulfo, E. T. (2011). Pirates of Guadalupe. IN Dead shot [column]. Manila Times.
Cita Chicago (17th ed.)Tulfo, Erwin T. "Pirates of Guadalupe. IN Dead Shot [column]." Manila Times 2011.
Cita MLA (9th ed.)Tulfo, Erwin T. "Pirates of Guadalupe. IN Dead Shot [column]." Manila Times, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.