Food and Agriculture Organization of the United Nations. World grain trade statistics: Exports by source and destination. s.n.
Chicago-viite (17. p.)Food and Agriculture Organization of the United Nations. World Grain Trade Statistics: Exports by Source and Destination. [Rome]: s.n.
MLA-viite (9. p.)Food and Agriculture Organization of the United Nations. World Grain Trade Statistics: Exports by Source and Destination. s.n.
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