FAO. (1993). The challenge of sustainable forest management: What future for the world's forests. Rome: FAO.
استشهاد بنمط شيكاغوFAO. The Challenge of Sustainable Forest Management: What Future for the World's Forests. Rome: FAO, 1993.
MLA استشهادFAO. The Challenge of Sustainable Forest Management: What Future for the World's Forests. Rome: FAO, 1993.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.