National Water Resources Council. (1980). Cagayan Valley framework plan: Abulog River Basins. NWRC.
Chicago Style (17th ed.) CitationNational Water Resources Council. Cagayan Valley Framework Plan: Abulog River Basins. Quezon City: NWRC, 1980.
MLA (9th ed.) CitationNational Water Resources Council. Cagayan Valley Framework Plan: Abulog River Basins. NWRC, 1980.
Warning: These citations may not always be 100% accurate.