Arguelles, D. (2004). Pig virus seen as culprit hog death in Luzon farms. Philippine Star.
Cita Chicago (17th ed.)Arguelles, Dulce. "Pig Virus Seen as Culprit Hog Death in Luzon Farms." Philippine Star 2004.
Cita MLA (9th ed.)Arguelles, Dulce. "Pig Virus Seen as Culprit Hog Death in Luzon Farms." Philippine Star, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.