Breiting, S. (2005). Quality criteria for ESD-Schools: Guidelines to enhance the quality of education for sustainable development. Vienna, Austria.
Styl cytowania ChicagoBreiting, Soren. Quality Criteria for ESD-Schools: Guidelines to Enhance the Quality of Education for Sustainable Development. Vienna, Austria, 2005.
Styl cytowania MLABreiting, Soren. Quality Criteria for ESD-Schools: Guidelines to Enhance the Quality of Education for Sustainable Development. Vienna, Austria, 2005.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..