UNASYLVA. (2002). Unasylva 2002 International year of mountains. Rome, Italy: FAO.
Chicago-stil citatUNASYLVA. Unasylva 2002 International Year of Mountains. Rome, Italy: FAO, 2002.
MLA-referensUNASYLVA. Unasylva 2002 International Year of Mountains. Rome, Italy: FAO, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.