APA (7e ed.) Bronvermelding

Villareal, C. T. (1972). The Philippine National Economic Recovery Act of 1972: Strategy for economic progress. [s.n.].

Chicago (17e ed.) Bronvermelding

Villareal, Cornelio T. The Philippine National Economic Recovery Act of 1972: Strategy for Economic Progress. Manila: [s.n.], 1972.

MLA (9e ed.) Bronvermelding

Villareal, Cornelio T. The Philippine National Economic Recovery Act of 1972: Strategy for Economic Progress. [s.n.], 1972.