Gamos, B., & Balabo, D. (2005). Bulacan officials put up quarantine zone. Manila Times.
Cita Chicago (17th ed.)Gamos, Ben, i Dino Balabo. "Bulacan Officials Put Up Quarantine Zone." Manila Times 2005.
Cita MLA (9th ed.)Gamos, Ben, i Dino Balabo. "Bulacan Officials Put Up Quarantine Zone." Manila Times, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.