Cita APA (7th ed.)

(1949). Petroleum act of 1949 (R.A.387). s.n.

Cita Chicago (17th ed.)

Petroleum Act of 1949 (R.A.387). s.l: s.n, 1949.

Cita MLA (9th ed.)

Petroleum Act of 1949 (R.A.387). s.n, 1949.