Cita APA (7a ed.)

Astillero, E. (1976). An exercise in integrated river planning: The Bicol River Basin Development Program. Bicol River Basin Council.

Cita Chicago Style (17a ed.)

Astillero, Emmanuel. An Exercise in Integrated River Planning: The Bicol River Basin Development Program. [S.L.]: Bicol River Basin Council, 1976.

Cita MLA (9a ed.)

Astillero, Emmanuel. An Exercise in Integrated River Planning: The Bicol River Basin Development Program. Bicol River Basin Council, 1976.