Philippines. Office of the President. Presidential Economic Staff. (1967). Economic report on the Province of Camarines Sur. Planning & Statistics Research Office.
Cita Chicago (17th ed.)Philippines. Office of the President. Presidential Economic Staff. Economic Report on the Province of Camarines Sur. Manila: Planning & Statistics Research Office, 1967.
Cita MLA (9th ed.)Philippines. Office of the President. Presidential Economic Staff. Economic Report on the Province of Camarines Sur. Planning & Statistics Research Office, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.