Germany (West). Bundesregierung. (2012). National sustainable development strategy: 2012 progress report. Press and Information Office of the Federal Government.
Cita Chicago Style (17a ed.)Germany (West). Bundesregierung. National Sustainable Development Strategy: 2012 Progress Report. [Berlin: Press and Information Office of the Federal Government, 2012.
Cita MLA (8a ed.)Germany (West). Bundesregierung. National Sustainable Development Strategy: 2012 Progress Report. Press and Information Office of the Federal Government, 2012.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.