APA aipamena

FAO. (2003). State of the world's forests 2003. Rome, Italy: FAO.

Chicago Style aipamena

FAO. State of the World's Forests 2003. Rome, Italy: FAO, 2003.

MLA aipamena

FAO. State of the World's Forests 2003. Rome, Italy: FAO, 2003.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.