United States. Foreign Agricultural Service (1953- ). (1977). Report on world sugar supply and demand: 1980 and 1985. Dept. of Agriculture, Foreign Agricultural Service.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United States. Foreign Agricultural Service (1953- ). Report on World Sugar Supply and Demand: 1980 and 1985. [Washington]: Dept. of Agriculture, Foreign Agricultural Service, 1977.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)United States. Foreign Agricultural Service (1953- ). Report on World Sugar Supply and Demand: 1980 and 1985. Dept. of Agriculture, Foreign Agricultural Service, 1977.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.