Toscano, Ó. M. (2016). The labor reform implemented during the second government of Alfonso López Pumarejo. Universidad Pedagógica y Tecnológica de Colombia.
Čikaški stil citiranja (17. izdanje)Toscano, Óliver Mora. The Labor Reform Implemented During the Second Government of Alfonso López Pumarejo. Universidad Pedagógica y Tecnológica de Colombia, 2016.
MLA način citiranja (9. izdanje)Toscano, Óliver Mora. The Labor Reform Implemented During the Second Government of Alfonso López Pumarejo. Universidad Pedagógica y Tecnológica de Colombia, 2016.
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