Philippines (Republic). Department of Commerce and Industry. (1952). Philippine yearbook of commerce and industry. [s.n.].
Citazione stile Chigago Style (17a edizione)Philippines (Republic). Department of Commerce and Industry. Philippine Yearbook of Commerce and Industry. Manila: [s.n.], 1952.
Citatione MLA (9a ed.)Philippines (Republic). Department of Commerce and Industry. Philippine Yearbook of Commerce and Industry. [s.n.], 1952.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.