Vizcarra Bazán, M. I., Arteaga Sarmiento, S. M., González Díaz, A. O., Morales Morejón, S. E., Sanguña Loachamin, E. S., & Velásquez Avila, K. M. (2021). The Benefits and Drawbacks of Using Duolingo to Learn English: A Study with Young ESL Learners. Editorial Tecnocientífica Americana.
Čikaški stil citiranja (17. izdanje)Vizcarra Bazán, Marcelo Iván, Sonia Magali Arteaga Sarmiento, Amílcar Oswaldo González Díaz, Silvia Elizabeth Morales Morejón, Edison Santiago Sanguña Loachamin, i Kenia María Velásquez Avila. The Benefits and Drawbacks of Using Duolingo to Learn English: A Study with Young ESL Learners. Estados Unidos: Editorial Tecnocientífica Americana, 2021.
MLA način citiranja (9. izdanje)Vizcarra Bazán, Marcelo Iván, et al. The Benefits and Drawbacks of Using Duolingo to Learn English: A Study with Young ESL Learners. Editorial Tecnocientífica Americana, 2021.