Lua APA (7ú heag.)
Barber, W. (2020). Sludge thermal hydrolysis: Application and potential. IWA Publishing.
Lua i Stíl Chicago (17ú heag.)
Barber, William. Sludge Thermal Hydrolysis: Application and Potential. London: IWA Publishing, 2020.
Lua MLA (9ú heag.)
Barber, William. Sludge Thermal Hydrolysis: Application and Potential. IWA Publishing, 2020.
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