Philippines (Republic). National Electrification Administration. Report. s.n.
Chicagoスタイル(17版)引用形式Philippines (Republic). National Electrification Administration. Report. [Quezon City: s.n.
MLA(9版)引用形式Philippines (Republic). National Electrification Administration. Report. s.n.
警告: この引用は必ずしも正確ではありません.