Philippines (Republic). Presidential Economic Staff. (1970). The Philippines: An investment handbook of facts & figures. Presidential Economic Staff.
Citazione stile Chigago Style (17a edizione)Philippines (Republic). Presidential Economic Staff. The Philippines: An Investment Handbook of Facts & Figures. [Manila: Presidential Economic Staff, 1970.
Citatione MLA (8a ed.)Philippines (Republic). Presidential Economic Staff. The Philippines: An Investment Handbook of Facts & Figures. Presidential Economic Staff, 1970.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.