APA (7th ed.) Citation

Philippines (Republic). Office of the President & Presidential Economic Staff. (1969). Provincial profile of Sorsogon. s.n.

Chicago Style (17th ed.) Citation

Philippines (Republic). Office of the President and Presidential Economic Staff. Provincial Profile of Sorsogon. [Manila: s.n, 1969.

MLA (9th ed.) Citation

Philippines (Republic). Office of the President and Presidential Economic Staff. Provincial Profile of Sorsogon. s.n, 1969.