Salim, E., & Ullsten, O. Our forests, our future: Report of the World Commission on Forests and Sustainable Development.
芝加哥风格引文Salim, Emil, 与 Ola Ullsten. Our Forests, Our Future: Report of the World Commission on Forests and Sustainable Development.
MLA引文Salim, Emil, 与 Ola Ullsten. Our Forests, Our Future: Report of the World Commission on Forests and Sustainable Development.
警告：这些引文格式不一定是100％准确.