Villareal, C. T. (1972). The Philippine National Economic Recovery Act of 1972: Strategy for economic progress. [s.n.].
Citazione stile Chigago Style (17a edizione)Villareal, Cornelio T. The Philippine National Economic Recovery Act of 1972: Strategy for Economic Progress. Manila: [s.n.], 1972.
Citatione MLA (9a ed.)Villareal, Cornelio T. The Philippine National Economic Recovery Act of 1972: Strategy for Economic Progress. [s.n.], 1972.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.