Kaltschmitt, M., Streicher, W., & Wiese, A. (2007). Renewable energy: Technology, economics and environment. Springer.
Cita Chicago (17th ed.)Kaltschmitt, Martin, Wolfgang Streicher, i Andreas Wiese. Renewable Energy: Technology, Economics and Environment. Berlín: Springer, 2007.
Cita MLA (9th ed.)Kaltschmitt, Martin, et al. Renewable Energy: Technology, Economics and Environment. Springer, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.