APA-referens (7:e uppl.)
Jean-Vasile, A., & Popescu, G. H. (2014). Economy in Romania and the need for optimization of agricultural production structures. PL Academic Research.
Chicago-referens (17:e uppl.)
Jean-Vasile, Andrei, och Gheorghe H. Popescu. Economy in Romania and the Need for Optimization of Agricultural Production Structures. Frankfurt am Main, Germany: PL Academic Research, 2014.
MLA-referens (9:e uppl.)
Jean-Vasile, Andrei, och Gheorghe H. Popescu. Economy in Romania and the Need for Optimization of Agricultural Production Structures. PL Academic Research, 2014.
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