Salim, E., & Ullsten, O. Our forests, our future: Report of the World Commission on Forests and Sustainable Development.
Citazione stile Chigago Style (17a edizione)Salim, Emil, e Ola Ullsten. Our Forests, Our Future: Report of the World Commission on Forests and Sustainable Development.
Citatione MLA (8a ed.)Salim, Emil, e Ola Ullsten. Our Forests, Our Future: Report of the World Commission on Forests and Sustainable Development.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.