Tulungan sa Tubigan Foundation. (1989). Community water supply and sanitation project management: Operations manual. Tulungan sa Tubigan Foundation.
Chicago Style (17th ed.) CitationTulungan sa Tubigan Foundation. Community Water Supply and Sanitation Project Management: Operations Manual. [Quezon City]: Tulungan sa Tubigan Foundation, 1989.
MLA (9th ed.) CitationTulungan sa Tubigan Foundation. Community Water Supply and Sanitation Project Management: Operations Manual. Tulungan sa Tubigan Foundation, 1989.
Warning: These citations may not always be 100% accurate.