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%.