Não informado. (2018). Plant Introduction Newsletter. Food and Agriculture Organization of the United Nations.
Chicago-referens (17:e uppl.)Não informado. Plant Introduction Newsletter. Roma: Food and Agriculture Organization of the United Nations, 2018.
MLA-referens (8:e uppl.)Não informado. Plant Introduction Newsletter. Food and Agriculture Organization of the United Nations, 2018.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.