Não informado. (2018). Plant Genetic Resources. Food and Agriculture Organization of the United Nations.
Lua i Stíl Chicago (17ú heag.)Não informado. Plant Genetic Resources. Roma: Food and Agriculture Organization of the United Nations, 2018.
Lua MLA (8ú heag.)Não informado. Plant Genetic Resources. Food and Agriculture Organization of the United Nations, 2018.
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