National Water Resources Council. (1983). Bicol framework plan: Bicol river basins. NWRC.
Chicago Style (17th ed.) CitationNational Water Resources Council. Bicol Framework Plan: Bicol River Basins. Quezon City: NWRC, 1983.
MLA (9th ed.) CitationNational Water Resources Council. Bicol Framework Plan: Bicol River Basins. NWRC, 1983.
Warning: These citations may not always be 100% accurate.