APA-viite

Azócar-Gallardo, J., Ojeda-Aravena, A., & Báez-San Martín, E. (2021). Physical distancing and use of face masks during school physical activity in covid-19 pandemic: A brief communication.

Chicago-tyylinen lähdeviittaus

Azócar-Gallardo, Jairo, Alex Ojeda-Aravena, ja Eduardo Báez-San Martín. Physical Distancing and Use of Face Masks During School Physical Activity in Covid-19 Pandemic: A Brief Communication. 2021.

MLA-viite

Azócar-Gallardo, Jairo, Alex Ojeda-Aravena, ja Eduardo Báez-San Martín. Physical Distancing and Use of Face Masks During School Physical Activity in Covid-19 Pandemic: A Brief Communication. 2021.

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