Fontan, R. G. d. O., Rosa, R. A., & Lacruz, A. J. (2021, July). The Efficiency of Railways Specialized in Transporting Iron Ore and Pellets. RAC: Revista de Administração Contemporânea.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Fontan, Renata Guimarães de Oliveira, Rodrigo Alvarenga Rosa, و Adonai José Lacruz. "The Efficiency of Railways Specialized in Transporting Iron Ore and Pellets." RAC: Revista De Administração Contemporânea Jul. 2021.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Fontan, Renata Guimarães de Oliveira, et al. "The Efficiency of Railways Specialized in Transporting Iron Ore and Pellets." RAC: Revista De Administração Contemporânea, Jul. 2021.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.