Angeles, F. (1999). Shell implements P 130-M wastewater treatment system. Manila Bulletin.
Chicago Style (17th ed.) CitationAngeles, Fernan. "Shell Implements P 130-M Wastewater Treatment System." Manila Bulletin 1999.
MLA (9th ed.) CitationAngeles, Fernan. "Shell Implements P 130-M Wastewater Treatment System." Manila Bulletin, 1999.
Warning: These citations may not always be 100% accurate.