APA (7th ed.) Zitazioa

ebrary, Inc. (2001). State of the world's forests. Food and Agriculture Organization of the United Nations.

Chicago Style (17th ed.) Zitazioa

ebrary, Inc. State of the World's Forests. Rome: Food and Agriculture Organization of the United Nations, 2001.

MLA (9th ed.) Zitazioa

ebrary, Inc. State of the World's Forests. Food and Agriculture Organization of the United Nations, 2001.