Philippines National Economic and Development Authority & Philippines National Economic and Development Authority. (1978). Philippine standard industrial classification. [s.n].
Chicago Style (17th ed.) CitationPhilippines National Economic and Development Authority and Philippines National Economic and Development Authority. Philippine Standard Industrial Classification. Manila: [s.n], 1978.
MLA (9th ed.) CitationPhilippines National Economic and Development Authority and Philippines National Economic and Development Authority. Philippine Standard Industrial Classification. [s.n], 1978.
Warning: These citations may not always be 100% accurate.