Rojas, N. Y., Ramírez, O., Belalcázar, L. C., Méndez-Espinosa, J. F., Vargas, J. M., & Pachón, J. E. (2021). PM(2.5) emissions, concentrations and air quality index during the COVID-19 lockdown(). Environ Pollut.
Chicago-tyylinen lähdeviittausRojas, Néstor Y., Omar Ramírez, Luis Carlos Belalcázar, Juan Felipe Méndez-Espinosa, Jorge Mario Vargas, ja Jorge Eduardo Pachón. "PM(2.5) Emissions, Concentrations and Air Quality Index During the COVID-19 Lockdown()." Environ Pollut 2021.
MLA-viiteRojas, Néstor Y., et al. "PM(2.5) Emissions, Concentrations and Air Quality Index During the COVID-19 Lockdown()." Environ Pollut 2021.
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