Não informado. (1940). Bulletin of the Utah Engineering Experiment Station. Utah Engineering Experiment Station.
Lua i Stíl Chicago (17ú heag.)Não informado. Bulletin of the Utah Engineering Experiment Station. Salt Lake City, Utah: Utah Engineering Experiment Station, 1940.
Lua MLA (8ú heag.)Não informado. Bulletin of the Utah Engineering Experiment Station. Utah Engineering Experiment Station, 1940.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.