Limbaugh. Tungsten in Peace and War, 1918–1946. University of Nevada Press.
Lua i Stíl Chicago (17ú heag.)Limbaugh. Tungsten in Peace and War, 1918–1946. University of Nevada Press.
Lua MLA (9ú heag.)Limbaugh. Tungsten in Peace and War, 1918–1946. University of Nevada Press.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.