ECOFYS (Firm) & Deutsche Gesellschaft fu·r Sonnenenergie. (2005). Planning and installing bioenergy systems: A guide for installers, architects and engineers. James & James/Earthscan.
Chicago Style (17th ed.) CitationECOFYS (Firm) and Deutsche Gesellschaft fu·r Sonnenenergie. Planning and Installing Bioenergy Systems: A Guide for Installers, Architects and Engineers. London: James & James/Earthscan, 2005.
MLA (8th ed.) CitationECOFYS (Firm) and Deutsche Gesellschaft fu·r Sonnenenergie. Planning and Installing Bioenergy Systems: A Guide for Installers, Architects and Engineers. James & James/Earthscan, 2005.
Warning: These citations may not always be 100% accurate.