Useche, I. V. (2013). Patriotism or proletarian universalism. The place of the world in Colombian workerism and socialism, 1904-1930. Universidad Pedagógica y Tecnológica de Colombia.
Lua i Stíl Chicago (17ú heag.)Useche, Isidro Vanegas. Patriotism or Proletarian Universalism. The Place of the World in Colombian Workerism and Socialism, 1904-1930. Universidad Pedagógica y Tecnológica de Colombia, 2013.
Lua MLA (9ú heag.)Useche, Isidro Vanegas. Patriotism or Proletarian Universalism. The Place of the World in Colombian Workerism and Socialism, 1904-1930. Universidad Pedagógica y Tecnológica de Colombia, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
