APA-referens (7:e uppl.)

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.

Chicago-referens (17:e uppl.)

Olarte Riaño, José Ricardo, Daniel Fernando García Espitia, och 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.

MLA-referens (9:e uppl.)

Olarte 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.

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