Programme, U. N. E., & Union, E. (2017). Project “Stimulating the Demand and Supply of Sustainable Products through Sustainable Public Procurement and Ecolabelling” (SPPEL): Sustainable Public Procurement Action Plan.
Citação do estilo Chicago (17ª ed.)Programme, United Nations Environment, e European Union. Project “Stimulating the Demand and Supply of Sustainable Products Through Sustainable Public Procurement and Ecolabelling” (SPPEL): Sustainable Public Procurement Action Plan. 2017.
Citação MLA (8ª ed.)Programme, United Nations Environment, e European Union. Project “Stimulating the Demand and Supply of Sustainable Products Through Sustainable Public Procurement and Ecolabelling” (SPPEL): Sustainable Public Procurement Action Plan. 2017.
Citação IICA/CATIEProgramme, U. N. E., ; Union, E. 2017. Project “Stimulating the Demand and Supply of Sustainable Products through Sustainable Public Procurement and Ecolabelling” (SPPEL): Sustainable Public Procurement Action Plan.