Wengenmayr, R., & Buhrke, T. (2008). Renewable energy: Sustainable energy concepts for the future. Wiley-VCH.
Cita Chicago (17th ed.)Wengenmayr, Roland, i Thomas Buhrke. Renewable Energy: Sustainable Energy Concepts for the Future. Weinheim: Wiley-VCH, 2008.
Cita MLA (9th ed.)Wengenmayr, Roland, i Thomas Buhrke. Renewable Energy: Sustainable Energy Concepts for the Future. Wiley-VCH, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.