APA (7 ম সংস্করণ) উদ্ধৃতি

Echeverry-Vargas, L., Rojas-Reyes, N. R., & Estupiñán, E. (2017). Characterization of copper smelter slag and recovery of residual metals from these residues. Universidad Pedagógica y Tecnológica de Colombia.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Echeverry-Vargas, Luver, Néstor Ricardo Rojas-Reyes, এবং Edgar Estupiñán. Characterization of Copper Smelter Slag and Recovery of Residual Metals from These Residues. Universidad Pedagógica y Tecnológica de Colombia, 2017.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Echeverry-Vargas, Luver, et al. Characterization of Copper Smelter Slag and Recovery of Residual Metals from These Residues. Universidad Pedagógica y Tecnológica de Colombia, 2017.