Não informado. (2019). Commodity Bulletin Series. Food and Agriculture Organization of the United Nations.
Chicago-viite (17. p.)Não informado. Commodity Bulletin Series. Rome: Food and Agriculture Organization of the United Nations, 2019.
MLA-viite (8. p.)Não informado. Commodity Bulletin Series. Food and Agriculture Organization of the United Nations, 2019.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.