Não informado. (1992). Water & environment international. Argus Business Media.
Style de citation Chicago (17e éd.)Não informado. Water & Environment International. Surrey, Inglaterra: Argus Business Media, 1992.
Style de citation MLA (8e éd.)Não informado. Water & Environment International. Argus Business Media, 1992.
Attention : ces citations peuvent ne pas être correctes à 100%.