Ariza, J., & Retajac, F. A. (2021). Composition and Evolution of the Labor Informality in Colombia During 2009-2019. Universidad Pedagógica y Tecnológica de Colombia.
Chicago-čujuhus (17. p.)Ariza, John, juo Floro Alexander Retajac. Composition and Evolution of the Labor Informality in Colombia During 2009-2019. Universidad Pedagógica y Tecnológica de Colombia, 2021.
MLA-čujuhus (9. p.)Ariza, John, juo Floro Alexander Retajac. Composition and Evolution of the Labor Informality in Colombia During 2009-2019. Universidad Pedagógica y Tecnológica de Colombia, 2021.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.
