APA-referens (7:e uppl.)

National Power Corporation. (1973). Feasibility report on the expansion program in the Luzon grid based on an integrated NPC-MECO system. NPC.

Chicago-referens (17:e uppl.)

National Power Corporation. Feasibility Report on the Expansion Program in the Luzon Grid Based on an Integrated NPC-MECO System. Manila: NPC, 1973.

MLA-referens (9:e uppl.)

National Power Corporation. Feasibility Report on the Expansion Program in the Luzon Grid Based on an Integrated NPC-MECO System. NPC, 1973.

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