Jean-Vasile, A., & Popescu, G. H. (2014). Economy in Romania and the need for optimization of agricultural production structures. PL Academic Research.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Jean-Vasile, Andrei, و Gheorghe H. Popescu. Economy in Romania and the Need for Optimization of Agricultural Production Structures. Frankfurt am Main, Germany: PL Academic Research, 2014.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Jean-Vasile, Andrei, و Gheorghe H. Popescu. Economy in Romania and the Need for Optimization of Agricultural Production Structures. PL Academic Research, 2014.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.