National Environmental Protection Council. (1978). Primer on the EIS system. The Council.
Citazione stile Chigago Style (17a edizione)National Environmental Protection Council. Primer on the EIS System. Makati, Metro Manila: The Council, 1978.
Citatione MLA (9a ed.)National Environmental Protection Council. Primer on the EIS System. The Council, 1978.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.