Dyfyniad APA

Ariza, J., & Retajac, F. A. (2021). Composition and Evolution of the Labor Informality in Colombia During 2009-2019. Universidad Pedagógica y Tecnológica de Colombia.

Dyfyniad Arddull Chicago

Ariza, John, and Floro Alexander Retajac. Composition and Evolution of the Labor Informality in Colombia During 2009-2019. Universidad Pedagógica y Tecnológica de Colombia, 2021.

Dyfyniad MLA

Ariza, John, and Floro Alexander Retajac. Composition and Evolution of the Labor Informality in Colombia During 2009-2019. Universidad Pedagógica y Tecnológica de Colombia, 2021.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.