National Research Council (U.S.). Highway Research Board. (1961). Soil stabilization with portland cement. National Academy of Sciences-National Research Council.
Lua i Stíl Chicago (17ú heag.)National Research Council (U.S.). Highway Research Board. Soil Stabilization with Portland Cement. Washington, D.C: National Academy of Sciences-National Research Council, 1961.
Lua MLA (9ú heag.)National Research Council (U.S.). Highway Research Board. Soil Stabilization with Portland Cement. National Academy of Sciences-National Research Council, 1961.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.