APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

Philippines. Office of the President. Presidential Economic Staff. Provincial Profile of Ilocos Norte. s.n, 1969.

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