Ducusin, L. A. (2001). Agri chief: Philippine beef, mad cow-free, safe to eat. Manila Times.
Chicago-viite (17. p.)Ducusin, Lee Ann. "Agri Chief: Philippine Beef, Mad Cow-free, Safe to Eat." Manila Times 2001.
MLA-viite (9. p.)Ducusin, Lee Ann. "Agri Chief: Philippine Beef, Mad Cow-free, Safe to Eat." Manila Times, 2001.
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