Cita APA

Philippines National Economic and Development Authority & Philippines National Economic and Development Authority. (1978). Philippine standard industrial classification. [s.n].

Citación estilo Chicago

Philippines National Economic and Development Authority and Philippines National Economic and Development Authority. Philippine Standard Industrial Classification. Manila: [s.n], 1978.

Cita MLA

Philippines National Economic and Development Authority and Philippines National Economic and Development Authority. Philippine Standard Industrial Classification. [s.n], 1978.