Não informado. (1976). FAO trade yearbook. Food and Agriculture Organization of the United Nations.
Chicago-Zitierstil (17. Ausg.)Não informado. FAO Trade Yearbook. Rome: Food and Agriculture Organization of the United Nations, 1976.
MLA-Zitierstil (8. Ausg.)Não informado. FAO Trade Yearbook. Food and Agriculture Organization of the United Nations, 1976.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.