Villas-Alavaren, A. L. Pasig River ferry paralyzed by water hyacinths. IN Environment News. Manila Bulletin.
Chicago Style (17th ed.) CitationVillas-Alavaren, Anna Liza. "Pasig River Ferry Paralyzed by Water Hyacinths. IN Environment News." Manila Bulletin .
MLA (9th ed.) CitationVillas-Alavaren, Anna Liza. "Pasig River Ferry Paralyzed by Water Hyacinths. IN Environment News." Manila Bulletin, .
Warning: These citations may not always be 100% accurate.