Alarcon, J. A. (2022). Mental Loneliness is a Massive Problem for People. Universidad Pedagógica y Tecnológica de Colombia.
Lua i Stíl Chicago (17ú heag.)Alarcon, Julián Andres. Mental Loneliness Is a Massive Problem for People. Universidad Pedagógica y Tecnológica de Colombia, 2022.
Lua MLA (9ú heag.)Alarcon, Julián Andres. Mental Loneliness Is a Massive Problem for People. Universidad Pedagógica y Tecnológica de Colombia, 2022.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
