Não informado. (1940). Bulletin of the Utah Engineering Experiment Station. Utah Engineering Experiment Station.
Chicago-referens (17:e uppl.)Não informado. Bulletin of the Utah Engineering Experiment Station. Salt Lake City, Utah: Utah Engineering Experiment Station, 1940.
MLA-referens (8:e uppl.)Não informado. Bulletin of the Utah Engineering Experiment Station. Utah Engineering Experiment Station, 1940.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.