Lua APA (7ú heag.)

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.

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