Gaya APA

Deublein, D. (2008). Biogas From Waste And Renewable Resources: An Introduction . Germany: WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Gaya MLA

Deublein, Dieter. "Biogas From Waste And Renewable Resources: An Introduction". Germany: WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim, 2008. Electronic Resource.