Citazione Stile APA (7a Edizione)

National Power Corporation. (1971). Feasibility report on the expansion program in the Luzon grid. NPC.

Citazione stile Chigago Style (17a edizione)

National Power Corporation. Feasibility Report on the Expansion Program in the Luzon Grid. Manila: NPC, 1971.

Citatione MLA (9a ed.)

National Power Corporation. Feasibility Report on the Expansion Program in the Luzon Grid. NPC, 1971.