APA aipamena

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

Chicago Style aipamena

Biological Wastewater Treatment. Oxford: IWA publishing, 2008.

MLA aipamena

Biological Wastewater Treatment. Oxford: IWA publishing, 2008.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.