Lua APA (7ú heag.)

U.S. Bureau of Mines. (1965). Mineral facts and problems. s.n.

Lua i Stíl Chicago (17ú heag.)

U.S. Bureau of Mines. Mineral Facts and Problems. Washington: s.n, 1965.

Lua MLA (9ú heag.)

U.S. Bureau of Mines. Mineral Facts and Problems. s.n, 1965.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.