APA (7e ed.) Bronvermelding

Bicol River Basin Council. (1975). Project feasibility study of Libmanan: Cabusao integrated area development project. The Council.

Chicago (17e ed.) Bronvermelding

Bicol River Basin Council. Project Feasibility Study of Libmanan: Cabusao Integrated Area Development Project. Camarines Sur: The Council, 1975.

MLA (9e ed.) Bronvermelding

Bicol River Basin Council. Project Feasibility Study of Libmanan: Cabusao Integrated Area Development Project. The Council, 1975.