Philippines. Office of the President. Presidential Economic Staff. (1969). Provincial profile of Catanduanes. The Office.
Chicago Style (17th ed.) CitationPhilippines. Office of the President. Presidential Economic Staff. Provincial Profile of Catanduanes. [Manila: The Office, 1969.
MLA (9th ed.) CitationPhilippines. Office of the President. Presidential Economic Staff. Provincial Profile of Catanduanes. The Office, 1969.
Warning: These citations may not always be 100% accurate.