Barril, C. R., & Tumlos, E. T. Water quality trends and trophic state assessment of Laguna de Bay, Philippines.
Lua i Stíl Chicago (17ú heag.)Barril, Carlito R., agus Elvira T. Tumlos. Water Quality Trends and Trophic State Assessment of Laguna De Bay, Philippines.
Lua MLA (9ú heag.)Barril, Carlito R., agus Elvira T. Tumlos. Water Quality Trends and Trophic State Assessment of Laguna De Bay, Philippines.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.