APA (7th ed.) Citation

National Power Corporation. (1996). National Power Corporation 60 years. NPC.

Chicago Style (17th ed.) Citation

National Power Corporation. National Power Corporation 60 Years. Quezon City: NPC, 1996.

MLA (9th ed.) Citation

National Power Corporation. National Power Corporation 60 Years. NPC, 1996.

Warning: These citations may not always be 100% accurate.