Bicol River Basin Development Program. (1976). Comprehensive development plan: 1975-2000. The Office.
Chicagoスタイル(17版)引用形式Bicol River Basin Development Program. Comprehensive Development Plan: 1975-2000. Baras, Canaman, Camarines Sur: The Office, 1976.
MLA(9版)引用形式Bicol River Basin Development Program. Comprehensive Development Plan: 1975-2000. The Office, 1976.
警告: この引用は必ずしも正確ではありません.