Philippines (Republic). Board of Investments. (1968). Investment incentives in the Philippines: General information. [s.n.].
Citazione stile Chigago Style (17a edizione)Philippines (Republic). Board of Investments. Investment Incentives in the Philippines: General Information. Makati, Rizal: [s.n.], 1968.
Citatione MLA (9a ed.)Philippines (Republic). Board of Investments. Investment Incentives in the Philippines: General Information. [s.n.], 1968.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.