APA aipamena

Bicol River Basin Development Program. (1976). Comprehensive development plan: 1975-2000. The Office.

Chicago Style aipamena

Bicol River Basin Development Program. Comprehensive Development Plan: 1975-2000. Baras, Canaman, Camarines Sur: The Office, 1976.

MLA aipamena

Bicol River Basin Development Program. Comprehensive Development Plan: 1975-2000. The Office, 1976.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.