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Lua i Stíl Chicago (17ú heag.)De Guzman, Aileen, Joyce Reyes, Chay Florentino- Hofileña, agus Giselle Baretto- Lapitan. Watershed Management: Saving Forests, Storing Water for the Future. Pasig City: Philippines-Canada Local Government Support Program, 2003.
Lua MLA (9ú heag.)De Guzman, Aileen, et al. Watershed Management: Saving Forests, Storing Water for the Future. Philippines-Canada Local Government Support Program, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.