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.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিPérez-Bayer, Juan Fernando, Rolando Barrera-Zapata, এবং 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.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিPérez-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.