International Union for Conservation of Nature and Natural Resources & International Institute for Environment and Development. (1994). Strategies for national sustainable development: A handbook for their planning and implementation. IUCN.
Παραπομπή σε μορφή Chicago (17η εκδ.)International Union for Conservation of Nature and Natural Resources και International Institute for Environment and Development. Strategies for National Sustainable Development: A Handbook for Their Planning and Implementation. Gland: IUCN, 1994.
Παραπομπή σε μορφή MLA (9th εκδ.)International Union for Conservation of Nature and Natural Resources και International Institute for Environment and Development. Strategies for National Sustainable Development: A Handbook for Their Planning and Implementation. IUCN, 1994.