Bicol River Basin Development Program. (1976). Comprehensive development plan: 1975-2000. The Office.
Citazione stile Chigago Style (17a edizione)Bicol River Basin Development Program. Comprehensive Development Plan: 1975-2000. Baras, Canaman, Camarines Sur: The Office, 1976.
Citatione MLA (9a ed.)Bicol River Basin Development Program. Comprehensive Development Plan: 1975-2000. The Office, 1976.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.