Ducusin, L. A. (2001). Agri chief: Philippine beef, mad cow-free, safe to eat. Manila Times.
Citazione stile Chigago Style (17a edizione)Ducusin, Lee Ann. "Agri Chief: Philippine Beef, Mad Cow-free, Safe to Eat." Manila Times 2001.
Citatione MLA (9a ed.)Ducusin, Lee Ann. "Agri Chief: Philippine Beef, Mad Cow-free, Safe to Eat." Manila Times, 2001.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.