Olarte Riaño, J. R., García Espitia, D. F., & Posada Arrubla, A. (2021). A Perspective of Environmental and Geographic Engineering from the Scholarly Production of the Undergraduate Program. Universidad Pedagógica y Tecnológica de Colombia.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিOlarte Riaño, José Ricardo, Daniel Fernando García Espitia, এবং Adriana Posada Arrubla. A Perspective of Environmental and Geographic Engineering from the Scholarly Production of the Undergraduate Program. Universidad Pedagógica y Tecnológica de Colombia, 2021.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিOlarte Riaño, José Ricardo, et al. A Perspective of Environmental and Geographic Engineering from the Scholarly Production of the Undergraduate Program. Universidad Pedagógica y Tecnológica de Colombia, 2021.