APA引文

State of the world's forests 2001. (2001). State of the world's forests 2001. Rome, Italy: FAO.

Trích dẫn kiểu Chicago

State of the world's forests 2001. State of the World's Forests 2001. Rome, Italy: FAO, 2001.

MLA引文

State of the world's forests 2001. State of the World's Forests 2001. Rome, Italy: FAO, 2001.

警告：這些引文格式不一定是100％准確.