APA-viite (7. p.)
ebrary, Inc. (2001). State of the world's forests. Food and Agriculture Organization of the United Nations.
Chicago-viite (17. p.)
ebrary, Inc. State of the World's Forests. Rome: Food and Agriculture Organization of the United Nations, 2001.
MLA-viite (9. p.)
ebrary, Inc. State of the World's Forests. Food and Agriculture Organization of the United Nations, 2001.
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