एपीए उद्धरण

(2008). Biological wastewater treatment. Oxford: IWA publishing.

शिकागो स्टाइल उद्धरण

Biological Wastewater Treatment. Oxford: IWA publishing, 2008.

एमएलए उद्धरण

Biological Wastewater Treatment. Oxford: IWA publishing, 2008.