(1990). Real value for nature: An overview of global efforts to achieve true measures of economic progress. Suecia: WWF.
Citación estilo ChicagoReal Value for Nature: An Overview of Global Efforts to Achieve True Measures of Economic Progress. Suecia: WWF, 1990.
Cita MLAReal Value for Nature: An Overview of Global Efforts to Achieve True Measures of Economic Progress. Suecia: WWF, 1990.
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