Não informado. (1949). Engineering report. Iowa Engineering Experiment Station.
Style de citation Chicago (17e éd.)Não informado. Engineering Report. Ames, Iowa: Iowa Engineering Experiment Station, 1949.
Style de citation MLA (8e éd.)Não informado. Engineering Report. Iowa Engineering Experiment Station, 1949.
Attention : ces citations peuvent ne pas être correctes à 100%.