APA (7th ed.) Citation

National Power Corporation. (1980). 1979 statistical yearbook on Philippine electric power industry. National Power Corporation, Corporate Planning.

Chicago Style (17th ed.) Citation

National Power Corporation. 1979 Statistical Yearbook on Philippine Electric Power Industry. Quezon City: National Power Corporation, Corporate Planning, 1980.

MLA (9th ed.) Citation

National Power Corporation. 1979 Statistical Yearbook on Philippine Electric Power Industry. National Power Corporation, Corporate Planning, 1980.

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