Não informado. (1937). Engineering and Contract Record. Southam Business Publications.
Style de citation Chicago (17e éd.)Não informado. Engineering and Contract Record. Toronto, Canada: Southam Business Publications, 1937.
Style de citation MLA (8e éd.)Não informado. Engineering and Contract Record. Southam Business Publications, 1937.
Attention : ces citations peuvent ne pas être correctes à 100%.