Castro, E. R. (1997). WHO issues 10 rules on safe food preparation. Manila Bulletin.
Chicago Style (17th ed.) CitationCastro, Eddee RH. "WHO Issues 10 Rules on Safe Food Preparation." Manila Bulletin 1997.
MLA (9th ed.) CitationCastro, Eddee RH. "WHO Issues 10 Rules on Safe Food Preparation." Manila Bulletin, 1997.
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