APA citiranje

Castillo Calvo, D. A. (2021). Changes in singing classes in the Basic Stage of Music in Turrialba, based on virtualization due to the COVID-19 pandemic in the first semester of 2020.

Citación estilo Chicago

Castillo Calvo, Diego Armando. Changes in Singing Classes in the Basic Stage of Music in Turrialba, Based On Virtualization Due to the COVID-19 Pandemic in the First Semester of 2020. 2021.

MLA citiranje

Castillo Calvo, Diego Armando. Changes in Singing Classes in the Basic Stage of Music in Turrialba, Based On Virtualization Due to the COVID-19 Pandemic in the First Semester of 2020. 2021.