Não informado. (1940). Engineers digest: Review of engineering progress. Engineer's Digest Publications.
Style de citation Chicago (17e éd.)Não informado. Engineers Digest: Review of Engineering Progress. London: Engineer's Digest Publications, 1940.
Style de citation MLA (8e éd.)Não informado. Engineers Digest: Review of Engineering Progress. Engineer's Digest Publications, 1940.
Attention : ces citations peuvent ne pas être correctes à 100%.