Gregersen Hans. (1989). People and trees: The role of social forestry in sustainable development. The World Bank.
Citação norma ChicagoGregersen Hans. People and Trees: The Role of Social Forestry in Sustainable Development. Washington D C: The World Bank, 1989.
Citação norma MLAGregersen Hans. People and Trees: The Role of Social Forestry in Sustainable Development. The World Bank, 1989.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.