Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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