Fonseca Alfonso, Y. L. (2019). The agony of labor law: A history from its origins to its confines. Universidad Pedagógica y Tecnológica de Colombia.
Lua i Stíl Chicago (17ú heag.)Fonseca Alfonso, Yair Leonardo. The Agony of Labor Law: A History from Its Origins to Its Confines. Universidad Pedagógica y Tecnológica de Colombia, 2019.
Lua MLA (9ú heag.)Fonseca Alfonso, Yair Leonardo. The Agony of Labor Law: A History from Its Origins to Its Confines. Universidad Pedagógica y Tecnológica de Colombia, 2019.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
