1. Buildings: investing in energy and resource efficiency;UNEP,2011
2. Key World Energy Statistics, Paris;IEA,2012
3. Buildings Energy Data Book;DOE,2011
4. Energy Efficiency Status Report;EC,2012
5. MME, Ministério de Minas e Energia, Balanço Energético Nacional: Relatório Final [National Energy Balance: Final Report], Brasília, 2012 (in Portuguese).