Philippines (Republic) Information Agency. (1955). The Philippines: A handbook of information. [s.n.
Citazione stile Chigago Style (17a edizione)Philippines (Republic) Information Agency. The Philippines: A Handbook of Information. Manila: [s.n, 1955.
Citatione MLA (9a ed.)Philippines (Republic) Information Agency. The Philippines: A Handbook of Information. [s.n, 1955.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.