Pretty, J., & Koohafkan, P. (2002). Land and agriculture: From UNCED, Rio de Janeiro 1992 to WSSD, Johannesburg 2002 ; a compendium of recent sustainable development initiatives in the field of agriculture and land management ; challenges and perspectives for the World Summit on Sustainable Development Johannesburg 2002. FAO.
Chicago-Zitierstil (17. Ausg.)Pretty, Jules, und Parviz Koohafkan. Land and Agriculture: From UNCED, Rio De Janeiro 1992 to WSSD, Johannesburg 2002 ; a Compendium of Recent Sustainable Development Initiatives in the Field of Agriculture and Land Management ; Challenges and Perspectives for the World Summit on Sustainable Development Johannesburg 2002. Rome: FAO, 2002.
MLA-Zitierstil (9. Ausg.)Pretty, Jules, und Parviz Koohafkan. Land and Agriculture: From UNCED, Rio De Janeiro 1992 to WSSD, Johannesburg 2002 ; a Compendium of Recent Sustainable Development Initiatives in the Field of Agriculture and Land Management ; Challenges and Perspectives for the World Summit on Sustainable Development Johannesburg 2002. FAO, 2002.