Philippines National Statistics Office. (2003). 2003 Commodity flow in the Philippines. National Statistics Office.
Chicago-referens (17:e uppl.)Philippines National Statistics Office. 2003 Commodity Flow in the Philippines. Manila: National Statistics Office, 2003.
MLA-referens (9:e uppl.)Philippines National Statistics Office. 2003 Commodity Flow in the Philippines. National Statistics Office, 2003.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.