Research and Information Institute for Agricultural Economics Hungary & Committee for Agricultural Economics, Hungarian Academy of Sciences. (2003). Studies in agricultural economics 2003: No99.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Research and Information Institute for Agricultural Economics Hungary و Hungarian Academy of Sciences Committee for Agricultural Economics. Studies in Agricultural Economics 2003: No99. 2003.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Research and Information Institute for Agricultural Economics Hungary و Hungarian Academy of Sciences Committee for Agricultural Economics. Studies in Agricultural Economics 2003: No99. 2003.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.