Pérez-Bayer, J. F., Barrera-Zapata, R., & Salazar-Jiménez, C. A. (2016). Effect of colombian coal rank and its feeding technology on substitute natural gas production by entrained gasification. Universidad Pedagógica y Tecnológica de Colombia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Pérez-Bayer, Juan Fernando, Rolando Barrera-Zapata, و Carlos Alberto Salazar-Jiménez. Effect of Colombian Coal Rank and Its Feeding Technology on Substitute Natural Gas Production by Entrained Gasification. Universidad Pedagógica y Tecnológica de Colombia, 2016.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Pérez-Bayer, Juan Fernando, et al. Effect of Colombian Coal Rank and Its Feeding Technology on Substitute Natural Gas Production by Entrained Gasification. Universidad Pedagógica y Tecnológica de Colombia, 2016.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.
