Ducusin, L. A. (2001). Agri chief: Philippine beef, mad cow-free, safe to eat. Manila Times.
Dyfyniad Arddull ChicagoDucusin, Lee Ann. "Agri Chief: Philippine Beef, Mad Cow-free, Safe to Eat." Manila Times 2001.
Dyfyniad MLADucusin, Lee Ann. "Agri Chief: Philippine Beef, Mad Cow-free, Safe to Eat." Manila Times, 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.