APA (7th ed.) Citation

Philippine National Environment Protection Council. (1977). Philippine environmental quality 1977: The first annual report of the National. Philippine National Environment Protection Council.

Chicago Style (17th ed.) Citation

Philippine National Environment Protection Council. Philippine Environmental Quality 1977: The First Annual Report of the National. Quezon City: Philippine National Environment Protection Council, 1977.

MLA (9th ed.) Citation

Philippine National Environment Protection Council. Philippine Environmental Quality 1977: The First Annual Report of the National. Philippine National Environment Protection Council, 1977.