(1949). Petroleum act of 1949 (R.A.387). s.n.
Lua i Stíl Chicago (17ú heag.)Petroleum Act of 1949 (R.A.387). s.l: s.n, 1949.
Lua MLA (9ú heag.)Petroleum Act of 1949 (R.A.387). s.n, 1949.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.