International Development Research Centre (Canada) & International Council for Local Environmental Initiatives. (1996). The Local Agenda 21 planning guide: An introduction to sustainable development planning. International Development Research Centre.
Chicago-Zitierstil (17. Ausg.)International Development Research Centre (Canada) und International Council for Local Environmental Initiatives. The Local Agenda 21 Planning Guide: An Introduction to Sustainable Development Planning. Ottawa: International Development Research Centre, 1996.
MLA-Zitierstil (9. Ausg.)International Development Research Centre (Canada) und International Council for Local Environmental Initiatives. The Local Agenda 21 Planning Guide: An Introduction to Sustainable Development Planning. International Development Research Centre, 1996.