Philippines. National Statistics Office. (2012). 2011 Commodity flow in the Philippines. National Statistics Office.
Cita Chicago (17th ed.)Philippines. National Statistics Office. 2011 Commodity Flow in the Philippines. Manila: National Statistics Office, 2012.
Cita MLA (9th ed.)Philippines. National Statistics Office. 2011 Commodity Flow in the Philippines. National Statistics Office, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.