State of the world's forests 2001. (2001). State of the world's forests 2001. Rome, Italy: FAO.
استشهاد بنمط شيكاغوState of the world's forests 2001. State of the World's Forests 2001. Rome, Italy: FAO, 2001.
MLA استشهادState of the world's forests 2001. State of the World's Forests 2001. Rome, Italy: FAO, 2001.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.