Não informado. (1926). Water works engineering. [s.n.].
Style de citation Chicago (17e éd.)Não informado. Water Works Engineering. New York: [s.n.], 1926.
Style de citation MLA (8e éd.)Não informado. Water Works Engineering. [s.n.], 1926.
Attention : ces citations peuvent ne pas être correctes à 100%.