National Research Council (U.S.). Committee on Research Programs of the U.S. Bureau of Mines & ebrary, Inc. (1994). Research programs of the U.S. Bureau of Mines: First assessment, 1994. National Academy Press.
Lua i Stíl Chicago (17ú heag.)National Research Council (U.S.). Committee on Research Programs of the U.S. Bureau of Mines agus Inc ebrary. Research Programs of the U.S. Bureau of Mines: First Assessment, 1994. Washington, D.C.: National Academy Press, 1994.
Lua MLA (9ú heag.)National Research Council (U.S.). Committee on Research Programs of the U.S. Bureau of Mines agus Inc ebrary. Research Programs of the U.S. Bureau of Mines: First Assessment, 1994. National Academy Press, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.