(1997). Implementing sustainable development: Experiences and recommendations from National and Regional Consultations for the Rio+5 Forum (2° edición.). Earth Council.
Cita Chicago Style (17a ed.)Implementing Sustainable Development: Experiences and Recommendations from National and Regional Consultations for the Rio+5 Forum. 2° edición. San José, Costa Rica: Earth Council, 1997.
Cita MLA (9a ed.)Implementing Sustainable Development: Experiences and Recommendations from National and Regional Consultations for the Rio+5 Forum. 2° edición. Earth Council, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.