APA (7th ed.) Citation

National Power Corporation. 1979 statistical yearbook on the Philippine electric power industry. s.n.

Chicago Style (17th ed.) Citation

National Power Corporation. 1979 Statistical Yearbook on the Philippine Electric Power Industry. [s.l: s.n.

MLA (9th ed.) Citation

National Power Corporation. 1979 Statistical Yearbook on the Philippine Electric Power Industry. s.n.

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