UNASYLVA. (2002). Forest biological diversity. Rome, Italy: FAO.
Trích dẫn kiểu ChicagoUNASYLVA. Forest Biological Diversity. Rome, Italy: FAO, 2002.
MLA引文UNASYLVA. Forest Biological Diversity. Rome, Italy: FAO, 2002.
警告：这些引文格式不一定是100％准确.
APA引文