APA aipamena

Bicol River Basin Development Program. (1982). Five-year development plan, 1983-1987. The Program.

Chicago Style aipamena

Bicol River Basin Development Program. Five-year Development Plan, 1983-1987. Camarines Sur: The Program, 1982.

MLA aipamena

Bicol River Basin Development Program. Five-year Development Plan, 1983-1987. The Program, 1982.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.