Não informado. (2018). Plant Introduction Newsletter. Food and Agriculture Organization of the United Nations.
Citação do estilo Chicago (17ª ed.)Não informado. Plant Introduction Newsletter. Roma: Food and Agriculture Organization of the United Nations, 2018.
Citação MLA (8ª ed.)Não informado. Plant Introduction Newsletter. Food and Agriculture Organization of the United Nations, 2018.
警告：这些引文格式不一定是100％准确.