APA (7th ed.) Citation

Philippines. Office of the President. Presidential Economic Staff. (1969). Provincial profile of La Union. s.n.

Chicago Style (17th ed.) Citation

Philippines. Office of the President. Presidential Economic Staff. Provincial Profile of La Union. [Manila: s.n, 1969.

MLA (9th ed.) Citation

Philippines. Office of the President. Presidential Economic Staff. Provincial Profile of La Union. s.n, 1969.

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